GLAMORGAN RECORD OFFICE/ARCHIFDY MORGANNWG
BRAICH-Y-CYMMER COLLIERIES LIMITED (Darran & Ffaldau collieries near Pontycymmer in Bettws & Llangeinor)
DDJ/1/1 Plan of workings in No.1 Rhondda seam (not worked [1 plan] since 1893)
DDJ/1/2 Plan of workings in No.2 Rhondda seam no date [1 plan]
DDJ/1/3 Plan of workings in No.3 Rhondda seam 1881-1918 [1 plan]
DDJ/1/4 Plan of workings in Clay seam 1881-1906 [1 plan]
DDJ/1/5 Plan of workings in Victoria seam 1880-1894 [1 plan]
DDJ/1/6 Plan of workings in Victoria (south) seam 1908-1918 [1 plan]
DDJ/1/7 Plan of workings in Yard seam 1907 [1 plan]
DDJ/1/8 Plan of workings in Yard (south) seam 1916-1918 [1 plan]
DDJ/1/9 Plan of workings in Two and a Half seam 1906-1909 [1 plan]
DDJ/1/10 Plan of workings in Two and a Half (south) seam 1912-1913 [1 plan]
DDJ/1/11 Plan of workings in Caedavid seam 1890-1908 [1 plan]
DDJ/1/12 Plan of workings in Caedavid (south) seam 1908-1913 [1 plan]
DDJ/1/13 Plan of workings in Two Feet Nine seam 1879-1918 [1 plan]
DDJ/1/14 Plan of workings in Six Feet seam 1887-1916 [1 plan]
DDJ/1/15 Plan of workings in Lower Six Feet seam 1916-1918 [1 plan]
© Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/1/16 Plan of workings in Upper Nine Feet seam 1915-1918 [1 plan]
DDJ/1/17 Plan of workings in Nine Feet seam 1889-1915 [1 plan]
DDJ/1/18 Plan of workings in Five Feet seam 1909-1922 [1 plan]
DDJ/1/19 Plan of workings in Albert seam no date [1 plan]
DDJ/1/20 Plan of workings in Upper Nine Feet seam 1919-1922 [1 plan]
DDJ/1/21 Plan of workings in Lower Six Feet seam 1907-1922 [1 plan]
DDJ/1/22 Plan of workings in No.2 Rhondda, Garw Fechan seam 1873-1908 [1 plan]
DDJ/1/23 Plan of workings in No.3 Rhondda seam 1884-1894 [1 plan]
DDJ/1/24 Plan of workings in No.3 Rhondda seam 1885-1890 [1 plan]
DDJ/1/25 Plan of workings in No.3 Rhondda seam 1888-1903 [1 plan]
DDJ/1/26 Plan of workings in No.3 Rhondda seam 1914-1923 [1 plan]
DDJ/1/27 Plan of workings in Victoria seam 1883-1890 [1 plan]
DDJ/1/28 Plan of workings in Victoria seam 1886-1892 [1 plan]
DDJ/1/29 Plan of workings in Victoria seam 1890-1894 [1 plan]
DDJ/1/30 Plan of workings in Victoria seam 1896 Workings abandoned in 1896 and 1910-1924 1910-1924 [1 plan]
DDJ/1/31 Plan of workings in Victoria seam no date [1 plan]
2 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/1/32 Plan of workings in Yard seam 1917-1924 [1 plan]
DDJ/1/33 Plan of workings in Yard seam no date [1 plan]
DDJ/1/34 Plan of workings in Yard seam no date [1 plan]
DDJ/1/35 Plan of workings in Two and a Half seam 1905-1906 [1 plan]
DDJ/1/36 Plan of workings in Two and a Half seam 1905-1909 [1 plan]
DDJ/1/37 Plan of workings in Two and a Half seam 1905-1909 [1 plan]
DDJ/1/38 Plan of workings in Two and a Half seam 1924 [1 plan]
DDJ/1/39 Plan of workings in Caedavid seam 1890-1909 [1 plan]
DDJ/1/40 Plan of workings in Caedavid seam 1897-1904 [1 plan]
DDJ/1/41 Plan of workings in Caedavid seam 1898-1909, (workings abandoned in 1909) 1909-1920 [1 plan]
DDJ/1/42 Plan of workings in Caedavid seam no date [1 plan]
DDJ/1/43 Plan of workings in Albert seam no date [1 plan]
DDJ/1/44,45 Plans of Darren colliery workings 1895-1904 [2 plans]
DDJ/1/46 Plan of Traherne, Vaughan Lee and Branch y Cymmer no date [1 plan]
DDJ/1/47 Braich y Cymmer (Bettws & Llangeinor) and Pentwyn Uchaf Jul 1928 (Llanwonno) mineral estate. Mrs SA Davies, deceased. Report and valuation by RM Dillwyn [1 file, typescript]
3 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
BRYNCETHIN COLLIERY
DDJ/2/1 Plan of workings [1 plan; very fragile]
DDJ/2/2 Plan of workings in the Cribbwr seam 1912 [1 plan]
DDJ/2/3 Section of pit [1 plan]
DDJ/2/4 Section of No.2 pit [1 plan]
DDJ/2/5 Section of No.3 pit, and north and south drifts to the various levels [1 plan]
DDJ/2/6 Plan showing colliery, brick works and area of Lewis’ property in water colour [1 plan]
BRYNCETHIN BRICK WORKS
DDJ/3/1 Plan of workings with section 1916-1917 [1 plan]
CWMGWINEU COLLIERY, MARGAM
DDJ/4/1-3 Plans of workings in Rock Fawr seam [3 plans]
DDJ/4/4 Plan of workings in Cwmgwineu level [1 plan]
DDJ/4/5 Plan of workings with section [1 plan]
DDJ/4/6-11 Surface and levelling plans [6 plans]
DDJ/4/12 Pit bottom lay-out plan 1921 [1 plan]
DDJ/4/13 Copy plan from Lease showing site of proposed pits to Rock Fawr seam [1 plan]
4 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/4/14 Ordnance Survey 25-inch (1918 edition) plans showing colliery workings, faults and boundaries in water colour [1 plan]
DDJ/4/15 Section in line of main south dip [1 plan]
DDJ/4/16 Section under pit at Nant Cwm Wernderi [1 plan]
DDJ/4/17-20 RM Dillwyn’s notebooks [4 small volumes]
DYFFRYN MINERAL ESTATE
General
DDJ/5/1 Six-inch Ordnance Survey plans, 1921 edition (numbers 8 & 1921 edition 15), showing Dyffryn estate on surface in water colour [1 plan]
DDJ/5/2-10 Dyffryn Mineral estate. Neath and Pontardawe district. Six- inch plans of workings in the Wernffraith (No.1), Victoria (No.2) and Graigola (No.3) seams. Hughes vein, and seams not stated [9 plans, also copies]
DDJ/5/11-20 Dyffryn Mineral estate. North’s Navigation Collieries. Six-inch plans of workings in the Two feet nine (No.4), Six feet (No.5), Seven feet (No.6), Upper New (No.7) and Lower New (No.8) seams [10 plans, also copies]
DDJ/5/21-26 Dyffryn Mineral estate. Ystradgynlais and Abercrave district. Six-inch plans of workings in the Four feet (No.9), Big (No.10) and Brass (No.11) veins [6 plans, also drafts]
DDJ/5/27-30 Dyffryn Mineral estate. Ystradgynlais mineral district. Six-inch plans of Four feet, Big, Brass and Middle veins not completed, outline of area only [4 plans]
DDJ/5/31,32 Dyffryn Mineral estate. Graigola Merthyr Company. Six-inch plan of workings in the Graigola seam (No.12) [2 plans, also draft]
5 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/5/33,34 Dyffryn Mineral estate. Pontardulais district. Six-inch plan of workings (No.13) [2 plans, also rough tracing]
DYFFRYN MAIN COLLIERY MAIN COLLIERY COMPANY (Dyffryn Clydach)
DDJ/6/1 General plan showing mineral properties no date [1 plan]
DDJ/6/2,3 Plans of workings – Wernffraith seam one dated [2 plans] 1874
DDJ/6/4,5 Plans of workings – Victoria seam [2 plans]
DDJ/6/6 Plan of workings – Little Bryn coch seam [1 plan]
DDJ/6/7-9 Plans of workings – Graigola seam [3 plans]
DDJ/6/10 Plan showing probable working limit of Victoria seam [1 plan]
DDJ/6/11 Plan showing probable working limit of Three feet seam [1 plan]
DDJ/6/12 Plan showing probable working limit of Greenway seam [1 plan]
DDJ/6/13 Plan showing area of workings in Little Bryncoch seam [1 plan]
Drumma Colliery
DDJ/7/1 [Tyn y fron deleted] Drumma colliery, plan of workings in the Greenway seam [1 plan]
Primrose Colliery (Dyffryn Clydach)
DDJ/8/1,2 Primrose colliery, 1854, showing workings to 1877 1854, 1877 [2 plans; one very fragile]
DDJ/8/3 Old Primrose colliery, workings in the Wernffraith vein [1 plan]
6 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/8/4 Tawe Vale Company. New Primrose colliery, 1854, showing 1854, workings 1913-1917 1913-1917 [1 plan]
Cwmnantllwyd and Waincoed Collieries (Dyffryn Clydach)
DDJ/9/1,2 Cwmnantllwyd and Waincoed collieries, workings [2 plans, and copies]
DDJ/9/3 Cwmnantllwyd colliery workings [1 plan]
DDJ/9/4 Primrose Coal Company. Cwmnantllwyd colliery, Graigola seam [1 plan]
Bryncoch Colliery. Wernffraith House Coal Colliery Company Limited (Blaenhonddan)
DDJ/10/1,2 Plans of workings in the Little Bryncoch seam [2 plans]
DDJ/10/3 Plan of workings (seam not stated) [1 plan]
DDJ/10/4 Plan of workings (rough tracing) [1 plan]
DDJ/10/5 Survey of Farmers level [1 plan]
DDJ/10/6 Survey of Little Bryncoch seam 1934 [1 plan]
DDJ/10/7 Horizontal section under St. Mathew’s church, Dyffryn showing Little Bryncoch vein [1 plan]
Llwynddu Colliery (Ynysymond)
DDJ/11/1 Llwynddu colliery, plan of workings [1 plan]
Wernddu and Bryndewi Collieries (Alltwen, Cilybebyll)
DDJ/12/1 Wernddu colliery Four foot seam [1 plan]
7 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/12/2 Wernddu colliery, Tyr Edmond seam [1 plan]
DDJ/12/3 Wernddu colliery (rough tracing) [1 plan]
DDJ/12/4 New Wernddu colliery, Pontardawe, plan of workings [1 plan]
DDJ/12/5 New Wernddu colliery, plan of ventilation in Four feet seam [1 plan]
DDJ/12/6 New Wernddu and Bryndewi collieries, Tyr Edmond seam [1 plan]
DDJ/12/7 Bryndewi colliery, Tyr Edmond seam [1 plan]
Ynisfechan Colliery (in Pontardawe, Cilybebyll)
DDJ/13/1,2 Plans of workings in Hughes vein [2 plans]
Dyffryn Tawe Collieries (at Rhos, Pontardawe, Cilybebyll)
DDJ/14/1,2 Cwmnantllwyd level, workings in the Wernffraith vein [2 plans]
DDJ/14/3 Cwmceiros Colliery Company, workings in Pretoria vein [1 plan]
DDJ/14/4 Cwmceiros colliery, proposed new drivage to Wernffraith vein [1 plan]
Marchowel Colliery (Cilybebyll?)
DDJ/15/1 Plan of workings in Glyngwilym seam [1 plan]
DDJ/15/2 New Marchowel. Hughes vein [1 plan]
Birchgrove Colliery (Llansamlet Higher?)
DDJ/16/1 Surface plan showing estate boundaries and line of face of 1928 Torygraig workings [1 plan]
8 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/16/2,3 Plans of workings in the Tir Edmund seam [2 plans]
DDJ/16/4 Plan traced from plan of Tir Edmund seam showing working 1932 face when colliery ceased working, by RM Dillwyn [1 plan]
Abercrave Colliery
DDJ/17/1-3 Abercrave and International Collieries, plans of boundaries [3 plans]
DDJ/17/4 Abercrave collieries: Peacock or Brass vein [1 plan]
DDJ/17/5 Abercrave collieries: Four feet seam [1 plan]
DDJ/17/6 Abercrave collieries: Big vein [1 plan]
DDJ/17/7 Abercrave and Yniscedwyn: Peacock seam [1 plan]
DDJ/17/8 Abercrave and Yniscedwyn: Nine feet seam [1 plan]
DDJ/17/9 Ordnance Survey six-inch, 1884 (1901 reprint), part of Nos. 32 1884 NW & NE, with water colour additions (1901 reprint) [1 plan]
International Colliery (Abercrave)
DDJ/18/1-3 Plans of workings in Four feet vein [3 plans]
DDJ/18/4 Plan of workings in Eighteen feet and White veins [1 plan]
DDJ/18/5 Plan of workings in Big vein [1 plan]
DDJ/18/6 Plan of workings in Brass vein [1 plan]
DDJ/18/7 Plan of workings in Brass and Nine feet seams [1 plan]
9 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/18/8 Section of seams 1935 [4 papers]
Yniscedwyn Colliery (Gurnos)
DDJ/19/1,2 Yniscedwyn colliery. Section of strata, hard heading to lower measures [2 plans & copy]
DDJ/19/3 Workings in Nine feet [1 plan]
DDJ/19/4 Workings in Brass vein [1 plan]
DDJ/19/5 Workings in Middle vein [1 plan]
DDJ/19/6 South Wales Anthracite Colliery: Brass vein [1 plan]
DDJ/19/7 South Wales Anthracite Colliery: Nine feet vein [1 plan]
Cwmtawe Anthracite Collieries Limited, Abercrave (formerly Dyffryn Anthracite Colliery)
DDJ/20/1 Dyffryn Anthracite colliery, plan of workings by RM Dillwyn [1 plan]
DDJ/20/2 Cwmtawe Anthracite colliery: Grey and Rhyd seams [1 plan]
DDJ/20/3 Cwmtawe Anthracite colliery: Middle seam [1 plan]
Pont Lliw Borehole (near Penllegaer)
DDJ/21/1 General map of area from Pont Lliw to Dyffryn Main Collieries showing position of Pont Lliw borehole and other pits [1 plan]
DDJ/21/2 Section of strata in Pont Lliw borehole [1 plan]
Talyfan Colliery (Pontardulais)
DDJ/22/1 Plan of Graig colliery, Talyfan fach by Morgan Rees 1920 [1 plan]
10 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/22/2 Talyfan colliery, workings in Lower Graigola seam [1 plan]
DDJ/22/3 Rough tracing [1 plan]
Bolgoed Colliery (Pontardulais)
DDJ/23/1 Plan of workings and section [1 plan]
Graig Merthyr Colliery (north east of Pontardulais)
DDJ/24/1 Plan of workings in Graigola seam [1 plan]
DDJ/24/2-4 Section of strata proved in cross measure drivages at Clydach Merthyr collieries, Pentrefelin pit [3 plans, 2 copies]
Western Merthyr Colliery (Llangyfelach)
DDJ/25/1 Plan of workings in Graigola seam [1 plan]
North’s Navigation Collieries
DDJ/26/1 Bryn Rhyg collieries, Yard seam 1922 [1 plan]
DDJ/26/2 Llynfi and Brynrhyg: Seven feet seam [1 plan]
DDJ/26/3 Llynfi and Brynrhyg: Seven feet (Maesteg deep) seam [1 plan]
DDJ/26/4 Llynfi and Brynrhyg: Seven feet (St. John’s) seam [1 plan]
DDJ/26/5,6 Llynfi and Brynrhyg: Upper Five feet seam [2 plans]
DDJ/26/7 Llynfi and Brynrhyg: No.9 colliery. Two and a half seam [1 plan]
DDJ/26/8 Llynfi and Brynrhyg: Middle series seam [1 plan]
11 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/26/9,10 Llynfi and Brynrhyg: Two feet nine seam [2 plans]
DDJ/26/11 Llynfi and Brynrhyg: Cwmdu seven feet (Upper new seam at Coegnant) [1 plan]
DDJ/26/12 Llynfi and Brynrhyg: Cwmdu lower new seam [1 plan]
DDJ/26/13 Llynfi and Brynrhyg: Lower (No.1) new seam [1 plan]
DDJ/26/14 Llynfi and Brynrhyg: Upper new seam [1 plan]
DDJ/26/15 Llynfi and Brynrhyg: Five feet seam [1 plan]
DDJ/26/16 Llynfi and Brynrhyg: Five feet seam or Lower seam St. John’s [1 plan]
DDJ/26/17 [Llynfi and Brynrhyg?]: Lower Five feet seam [1 plan]
DDJ/26/18 [Llynfi and Brynrhyg?]: No.1 (Lower) New seam [1 plan]
DDJ/26/19 [Llynfi and Brynrhyg?]: Two feet nine seam [1 plan]
DDJ/26/20 [Llynfi and Brynrhyg?]: Seven feet seam, from St. John’s and Maesteg deep [1 plan]
DDJ/26/21 [Llynfi and Brynrhyg?]: Upper New seam [1 plan]
DDJ/26/22 [Llynfi and Brynrhyg?]: Workings, names “Penrhys level” and “No.9 pit” [1 plan]
DDJ/26/23,24 Maesteg deep: Two feet nine seam [2 plans]
DDJ/26/25,26 Coegnant colliery: Seven feet seam [2 plans]
12 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/26/27 Coegnant colliery: Six feet seam [1 plan]
DDJ/26/28 Coegnant colliery: Upper New seam [1 plan]
DDJ/26/29 Coegnant colliery: Section of north pit 1884 [1 plan]
DDJ/26/30 RM Dillwyn (& JD Jones) note book 1923-1943 [1 small volume]
EDMONDES (OLD HALL) MINERAL ESTATE Dduallt, Cynllwyndu and Gellyfynaches in Llanwonno; Dinas Isha and Tondrygwal in Llantrisant
General
DDJ/27/1,2 Report and plans accompanying report on the Edmondes (Old Nov 1929 Hall) Mineral estate by RM Dillwyn [2 volumes]
DDJ/27/3 RM Dillwyn’s note book of surveys of Edmondes property 1923-1942 minerals [1 small volume]
DDJ/27/4 RM Dillwyn’s note book of surveys of Edmondes property no date minerals [1 small volume]
DDJ/27/5 Taff vale Railway (Pontypridd and Rhondda) district railway 1885 map showing collieries (Edmondes property shown in pencil) [1 plan, printed]
DDJ/27/6 Horizontal section, Cynllwynddu to Penrhiwceiber colliery no date [1 plan]
Llanwonno Colliery
DDJ/28/1 Llanwonno colliery, Llanwonno: Plan of workings 1901 (magnetic north) [1 plan]
Cynllwynddu property
DDJ/29/1 Plans of workings in the Two feet eight seam [1 plan]
13 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/29/2,3 Plans of workings in the Four feet seam [2 plans]
DDJ/29/4-7 Plans of workings in the Yard seam [4 plans]
DDJ/29/8-11 Plans of workings in the Two feet nine seam [4 plans]
DDJ/29/12,13 Plans of workings in the Five feet seam [2 plans]
DDJ/29/14 Plan of workings in the Five feet workings approaching Dduallt [1 plan]
DDJ/29/15 Plan of workings in the Bute seam No.2 [Nine feet deleted] [1 plan]
DDJ/29/16,17 Plans of workings in the Gellideg seam [2 plans]
DDJ/29/18,19 Plans of workings in the Six feet seam [2 plans]
DDJ/29/20 Plan of workings in the Nine feet seam [1 plan]
DDJ/29/21 Plan of workings in seam not stated (rough tracing) [1 plan]
DDJ/29/22,23 Portion of Two feet nine wrongly credited to Cynllwynddu Portion of Five feet wrongly credited to Cynllwynddu [2 plans in envelope]
Cynllwynddu and Dduallt
DDJ/30/1-3 Plans of workings in the Six feet, Two feet nine (1925) and 1925 Four feet seams [3 plans]
Dduallt
DDJ/31/1 Plan of Dduallt and neighbouring properties giving owners’ 1873 names and acreages by Thomas Henry Morgan [1 plan]
DDJ/31/2,3 Ordnance Survey six-inch (1st edition) plans Nos. 18 & 19 post 1875 showing Dduallt property [2 plans]
14 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/31/4 Plan of Dduallt and Taff Vale Railway (Ynysybwl branch) [1 plan]
DDJ/31/5 Section showing seams and faults on Dduallt property no date [1 plan]
DDJ/31/6-10 Mynachdy colliery: Darranddu seam 1915-1931 [5 plans] 1917-1924 1922-1928 undated
DDJ/31/11,12 Workings in Penrhiwceiber colliery: No.3 Rhondda seam (also rough tracing) [2 plans]
DDJ/31/13-15 Workings in Penrhiwceiber colliery: Yard seam 1924-1928 [3 plans]
DDJ/31/16-18 Workings in Penrhiwceiber colliery: Four feet seam 1895-1908 [3 plans]
DDJ/31/19-24 Workings in Penrhiwceiber colliery: Six feet seam 1906 & [6 plans] undated
DDJ/31/25-27 Workings in Penrhiwceiber colliery: Seven feet and Yard seam 1919-1937 [3 plans]
DDJ/31/28 Workings in Penrhiwceiber colliery: Nine feet seam [1 plan]
DDJ/31/29-32 Workings in Dduallt: Four feet seam 1893-1924 [4 plans] 1894-1914 1929-1934 1938-1941
DDJ/31/33,34 Workings in Dduallt: No.3 Rhondda seam 1933-1940 [2 plans]
DDJ/31/35 Workings in Dduallt: Two feet eight seam 1932-1941 [1 plan]
DDJ/31/36 Workings in Dduallt: Yard seam 1939-1942 [1 plan]
DDJ/31/37 Workings in Dduallt: Five feet seam 1929-1935 [1 plan]
DDJ/31/38 Tylorstown colliery: Six feet seam under Dduallt 1908-1924 [1 plan]
15 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
Dinas Isaf
DDJ/32/1 Plan of workings in Dinas Isha colliery: No.2 vein [1 plan]
DDJ/32/2 Plan of workings in Dinas Isha colliery: No.3 vein [1 plan]
DDJ/32/3-5 Plans of workings in Lower measures, Red vein and Nine feet vein [3 plans]
DDJ/32/6 Plan of workings in Lower measures, Four feet seam [1 plan]
DDJ/32/7 Plan of workings in Lower measures, Six feet seam [1 plan]
DDJ/32/8,9 Plans of workings in Six feet seam [2 plans]
DDJ/32/10 Plan of workings in Four feet seam [1 plan]
DDJ/32/11 Plan of workings in Hafod seam [1 plan]
DDJ/32/12 Plan of workings in Naval Colliery Company, New seam and Pentre seam [1 plan]
DDJ/32/13 Plan of workings in Naval Colliery Company, Nine feet seam [1 plan]
DDJ/32/14 Plan of workings in Naval Colliery Company, Five feet seam [1 plan]
DDJ/32/15 Plan of workings in Cilely Colliery, Two feet nine seam [1 plan]
DDJ/32/16 Plan of workings in Cilely Colliery, Jubilee seam [1 plan]
DDJ/32/17 Plan of workings in Cilely Colliery, boundaries and levelling (rough tracing) [1 plan]
DDJ/32/18 Surface plan showing line of section of No.1 Rhondda [1 plan]
16 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/32/19 Plan of outcrop workings on a Rider coal [1 plan]
DDJ/32/20 Plan of sub-lease to Naval Colliery Company [1 plan]
DDJ/32/21 Levelling (rough tracing) [1 plan]
DDJ/32/22 General section through property (rough tracing) [1 plan]
Tondrygwal
DDJ/33/1 Torycoed Colliery: plan of workings [1 plan]
W GILBERTSON & COMPANY LIMITED (PONTARDAWE)
DDJ/34/1 Ordnance Survey 25-inch, plans numbers 8.7, 8.11 and 8.15 1899 edition showing proposed line of railway in water colour [1 plan]
DDJ/34/2-5 Ordnance Survey 25-inch, plan number 8.11; 1899 ed plan numbers 2.3, 8.11 and 8.15 1918 ed [4 plans with water colour additions]
DDJ/34/6 Ordnance Survey 6-inch plan number 15 (complete) 1900 ed [1 plan with water colour additions]
DDJ/34/7-10 Plans showing property owned by W Gilbertson & Company Limited, and plans showing Gilbertson property with details of Leases and Conveyances [4 plans]
DDJ/34/11 Plan of proposed storage sidings 1907 [1 plan]
DDJ/34/12 General plan of sidings [1 plan]
DDJ/34/13 Plan of alterations carried out [1 plan]
DDJ/34/14,15 Plans of new sheet works [2 plans]
DDJ/34/16,17 Large scale plans of Pontardawe works 1924 [2 plans]
17 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/34/18 Large scale plan of Pontardawe steelworks 1924-1925 [1 plan]
DDJ/34/19 Plan referred to in correspondence re tithes Mar 1937 [1 plan]
DDJ/34/20-35 Working drawings of property, works, levelling, etc [16 plans]
DDJ/34/36 RM Dillwyn’s notebook, levelling 1908-1909 [1 small volume]
DDJ/34/37 RM Dillwyn’s notebook, schedule of property 1934 [1 small volume]
Llansamlet
DDJ/35/1 Plan of old workings at Park and Gwern pits. Five foot seam 1912 [1 plan; very fragile]
DDJ/35/2 Plan of old workings at Velinfran colliery. Drew’s seam 1902 [1 plan; photocopy from Home Office 1912]
DDJ/35/3 Plan of workings at Charles pit. Four feet seams 1876 [1 plan; photocopy from Home Office 1912]
DDJ/35/4 Plan of workings at Pwllmawr colliery. Three feet vein no date [1 plan; photocopy from Home Office 1912]
DDJ/35/5 Plan of workings at Pwllmawr colliery. Six feet vein no date [1 plan; photocopy from Home Office 1912]
DDJ/35/6 Plan of workings at Gwern colliery. Two feet seam 1897 [1 plan; photocopy from Home Office 1912]
DDJ/35/7 Plan of Llansamlet district and proposed new workings to 1912? accompany RM Dillwyn’s report [1 plan]
DDJ/35/8,9 Levelling plans (rough tracings) [2 plans]
DDJ/35/10 Plan showing old colliery workings and Great Western Railway 1904 route authorised in 1904 [1 plan]
18 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
GLASBROOK BROTHERS LIMITED, (SWANSEA & LLANGYFELACH)
DDJ/36/1 Report on the Collieries of Messrs Glasbrook Brothers Limited 1927 by Thomas Falcon [1 volume; typescript]
DDJ/36/2 Garngoch collieries Numbers 1-3. Summary of weekly and 1931 monthly output, shifts, costs etc. [1 small volume]
DDJ/36/3 RM Dillwyn’s colliery notebook 1930-1931 [1 small volume]
DDJ/36/4 Ordnance Survey 6-inch geological plans. Number 14 1900 ed complete, 23NE & NW showing area of Glasbrook’s collieries [1 plan]
Number 1 colliery
DDJ/37/1,2 Six, Five and Four feet workings [2 plans; also copy]
DDJ/37/3,4 Section of main haulage road to Five feet seam [2 plan; also copy]
Number 3 colliery
DDJ/38/1-3 Five feet workings and proposed development [3 plans; also copies]
DDJ/38/4,5 Surface plan [2 plans; also copiy]
DDJ/38/6 Proposed lay out for new screens [1 plan]
DDJ/38/7 Workings [1 plan]
General
DDJ/39/1-8 General plans of the area [8 plans]
DDJ/39/9,10 Section along line of tramway from mouth of drift to screens [2 plans; also copy]
19 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/39/11-13 Garngoch collieries. Six feet workings [3 plans; also copies]
DDJ/39/14-17 Garngoch collieries. Five feet workings [4 plans; also copies]
DDJ/39/18-20 Garngoch collieries. Four feet workings [3 plans; also copies]
DDJ/39/21-23 Workings [3 plans]
DDJ/39/24 Surface [1 plan]
Tir Donkin Colliery
DDJ/40/1 Six feet workings [1 plan]
Gorwydd Colliery, Gowerton
DDJ/41/1 Four feet workings [1 plan]
DDJ/41/2 Five feet workings [1 plan]
DDJ/41/3 Section [1 plan]
GROVESEND STEEL AND TINPLATE WORKS, GORSEINON
DDJ/42/1-5 Surface plans, showing Grovesend steel and tinplate, Gorseinon tinplate, Bryngwyn steel and sheet, and Mardy tinplate works giving levels by JD Jones 1927 re-levelled by JD Jones 1930 [5 plans; also copies]
DDJ/42/6 Levelling notes by JD Jones [1 paper]
20 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
LANELAY MINERAL ESTATE (Vaughan-Lee)
DDJ/43/1 Report and valuation by RM Dillwyn 1934 [1 booklet]
DDJ/43/2 Plans accompanying report by RM Dillwyn 1934 [1 file of plans]
DDJ/43/3,4 Ordnance Survey 25-inch plans. Parts of numbers 35.16, 2nd edition 36.13, 41.4, and 42.1 [2 plans with water colour additions]
DDJ/43/5 Ordnance Survey 6-inch plans. Parts of numbers 7,8,14 and 2nd edition 15 showing Velindre district, with Vaughan-Lee and other properties in water colour [1 plan; with water colour additions]
DDJ/43/6,7 Graigola Merthyr Company Limited workings in Graigola seam under Vaughan-Lee’s Velindre property [2 plans; also copy]
DDJ/43/8-14 Graigola Merthyr Company Limited plans showing workings, also Blaenant reservoir [7 plans]
DDJ/43/15 Plan of workings in area of Talyfan, Graig Merthyr, Clydach Merthyr, Mountain, Tir Donkin, Garngoch and Mynydd newydd collieries, Gorseinon to Llansamlet [1 plan]
DDJ/43/16 Horizontal section under Lanelay [1 plan]
DDJ/43/17 Lanelay section [1 plan; draft]
DDJ/43/18 Lanelay estate. Survey of Malthouse farm 1946 [1 plan]
DDJ/43/19,20 Notebooks of Blaenantddu reservoir and Lanelay colliery [2 small volumes]
21 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
PWLLGWAUN – PONTYPRIDD, LLANTRISANT
DDJ/44/1 Surface plan of Pwllgwaun colliery and brickworks [1 plan]
DDJ/44/2 Workings in Number 2 Rhondda seam [1 plan]
DDJ/44/3 Proposed sidings and shaft, and alternative scheme in Number 2 Rhondda seam [1 plan]
DDJ/44/4 Workings [1 plan]
DDJ/44/5 Proposed sidings [1 plan]
DDJ/44/6,7 Forest vach workings [2 plans]
PWLLGWAUN, ALBION etc
DDJ/45/1-13 Pwllgwaun, Albion (Cilfynydd), Darranddu etc, workings [13 plans; rough tracings]
LLANHARAN COLLIERY
DDJ/46/1,2 “Llanharan colliery. PDAC Limited” “Mrs Butt’s minerals Tynycaeau Fach”, plan of workings [2 plans; also copy]
LLANHARAN, SOUTH RHONDDA AND WERNTARW
DDJ/47/1-13 Llanharan, South Rhondda and Werntarw. Plans of properties, sections and workings [12 plans and 1 label]
22 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
MERTHYR MAWR, TONDU AND LAMPHA ESTATE Nicholl Family
Tondu Estate (surface plans)
DDJ/48/1,2 Plans showing Tondu house, boundaries, railways etc. [2 plans]
DDJ/48/3 Plan showing Tondu Iron works, Tondu house, Park house, Wesley chapel etc. [1 plan]
DDJ/48/4-7 Plans showing former Llynfi Valley railway and former Duffryn Llynfi and Porthcawl railway passing through Tondu estate [4 plans; also copies]
DDJ/48/8-11 Plan showing Llynfi railway and river and road in altered position, affecting the boundary of leasehold minerals, Tondu estate [4 plans; also copies]
DDJ/48/12,13 Duffryn Llynfi and Porthcawl railway, tracing from deposited plan and copy of reference [1 plan; 2 papers]
DDJ/48/14 Plan of boundary of Tondu as shown on old plans at North’s offices, Maesteg copied by RM Dillwyn [1 plan]
DDJ/48/15 Plan referred to in Surrender and Rental of Lease, Nicholl to 1903 Brogden [1 plan]
DDJ/48/16-19 Plan of land and private railway, Tondu, showing GWR railway Jul 1907 Porthcawl branch, and Nant Kenfig “copy sent to J Boyd Harvey (North’s Navigation) with my letter dated July 1907” [4 plans; also copies]
DDJ/48/20,21 Tracing from Newcastle tithe plan of 1842 showing Tondu and 1917 extract from tithe apportionment made by RM Dillwyn [1 plan; 1 paper]
DDJ/48/22,23 Letter from W Johnson, Derry Park, Bridgend to RM Dillwyn re 1917 incorrect boundary, with plan [1 plan; 1 paper]
23 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/48/24,25 Plans of Mackworth, Nicholl, Wimborne and Dunraven Jan 1907 boundaries and workings used in report of January 1907 to Messrs Collyer, Bristow and Company re open and unopen mines, Tondu estate [2 plans]
DDJ/48/26 Plan showing Tondu house, drift and old airshaft [1 plan]
Tondu estate (mineral plans)
DDJ/49/1,2 Suggested developments in the Tondu – Bettws mineral no date district [2 plans; and rough copy]
DDJ/49/3,4 Horizantal section, Tondu to Moel Gilau [2 plans; and copy]
DDJ/49/5 Section of strata between Malthouse and Rock Fawr seams as no date proved at Coytrahen Park colliery, RM Dillwyn [1 plan]
DDJ/49/6,7 Plan showing pillars to be left in coal seams under Tondu 1904 house and Iron works, with accompanying letter [1 plan; 1 paper very fragile]
DDJ/49/8 Plan of workings in Rock Fawr seam in Tondu area, Tynywaun, Raglan and Werntarw collieries [1 plan]
DDJ/49/9-15 Tynywaun colliery. Workings in Malthouse, Rock Fawr and Number 2 Rhondda seam; plan showing trial pits; plan of Cefn Carfan mineral area [7 plans; also copy]
DDJ/49/16 Coytrahen Park, workings in Rock Fawr seam [1 plan]
DDJ/49/17 Coytrahen, workings in Malthouse seam [1 plan]
DDJ/49/18 Coytrahen Park, drift to Malthouse seam [1 plan]
DDJ/49/19 Plan of workings in Rock Fawr seam received from North’s Feb 1907 Navigation per J Boyd Harvey [1 plan]
24 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/49/20 Tondu property. South Vawr seam, plan received from Foster 1907 Brown and Rees [1 plan]
DDJ/49/21 Plan of workings of South Fawr seam Plan [1 plan] received 1907
DDJ/49/22,23 Plans of workings of Felin Fach colliery (abandoned), North 1906 Fawr seam [2 plans; also copy]
DDJ/49/24,25 Plans of workings of Felin Fach colliery (abandoned), Boddor 1906 seams [2 plans; also copy]
DDJ/49/26,27 Plans of workings of Park Slip colliery (abandoned), Cribbwr 1906 seam [2 plans; also copy]
DDJ/49/28,29 Plans of workings of Park Slip colliery (abandoned), New seam 1906 [2 plans; also copy]
DDJ/49/30 North’s Navigation. Horizontal section in line with main slant at 1921 Park Slip colliery, Tondu [1 plan]
DDJ/49/31,32 Plan of slants on Nicholl mineral property and accompanying 1923 letter [1 plan; 1 paper]
DDJ/49/33 Plan of proposed pits (near Caerbryn) in relation to Tondu 1903 estate [1 plan]
DDJ/49/34 Horizontal section of Tondu minerals by RM Dillwyn showing proposed site of pits near Caerbryn [1 plan]
Hendrefiolan minerals (formally Dillwyn family)
DDJ/50/1 Plan of Hendrefoilan minerals showing boundaries, owners and workings [1 plan]
DDJ/50/2 Plan of Hendrefoilan minerals showing area reserved under Hendrefoilan house [1 plan]
25 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/50/3 Plan of Hendrefoilan showing proposed tramway [1 plan]
DDJ/50/4 Plan of Hendrefoilan showing position of subsidence 1904 (“undoubtedly occasioned by workings in Penclawdd vein…… of 1904”) [1 plan]
DDJ/50/5-7 Dunvant colliery, Rock vein [3 plans; also copies]
DDJ/50/8,9 Dunvant colliery, Clement and Yankee veins [2 plans; also copy]
DDJ/50/10 Dunvant colliery workings under Eaton estate [1 plan]
DDJ/50/11 Dunvant slant, Clement vein [1 plan]
DDJ/50/12,13 Commercial level, Penclawdd seam [2 plans; 1 plan showing site of subsidence]
DDJ/50/14 Commercial level, Penclawdd seam showing barrier [1 plan]
DDJ/50/15 Commercial Colliery, Killay. Nicholl versus Richard, check 1903 survey from face of Tucker’s heading to air pit (magnetic meridian 1903) [1 plan]
DDJ/50/16 Workings [1 plan]
DDJ/50/17 Dunvant colliery, section of Rock seam. Commercial level, section of Penclawdd seam [1 plan]
DDJ/50/18 Penclawdd vein showing roads and ways complained of in “Statement of Claim” [1 plan]
DDJ/50/19 Horizontal section of coal seams in Dunvant Valley, proved in collieries of S Padley [1 plan]
DDJ/50/20 Cross section showing order of veins in Dunvant Valley, proved at the Commercial colliery [1 plan]
26 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/50/21 Section of seams proved at Dunvant [1 plan]
DDJ/50/22-24 Rough tracings of workings [3 plans]
DDJ/50/25,26 Plans of Hendrefoilan and Llanarch surface [2 plans]
DDJ/50/27 Memorandum of suggested description of premises to be sold by JI Nicholl to Colonel Wright [1 paper]
Merthyr Mawr estate
DDJ/51/1-3 Levellings on Merthyr Mawr road [3 plans; also copies]
DDJ/51/4,5 Levellings on road from Candleston Castle to Warren Farm [2 plans]
PARK UCHAF, YSTRADYFODWG
Park Uchaf minerals
DDJ/52/1 Plan of workings in the Six Feet seam 1890-1899 [1 plan]
DDJ/52/2 Plan of workings in the Two Feet nine seam 1896-1938 [1 plan]
DDJ/52/3 Plan of workings in the New seam 1924-1942 [1 plan]
DDJ/52/4 Correspondence between Stockwood and Williams, Bridgend, solicitors, RM Dillwyn, and the Ocean Collieries, Treorchy; extracts from Lease; Mrs Sarah Evans to Ocean Coal Company Limited; 1907 section of strata in Park pit, and reports [1 bundle] 1914-1918
27 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
RAGLAN COLLIERY, COYCHURCH HIGHER
General and surface plans
DDJ/53/1 Ordnance Survey 25-inch plans numbers 35.5 1918 ed 35.6 1899 ed 35.9 and 35.10 1918 ed [1 plan; showing workings in water colour]
DDJ/53/2-11 Surface plans [10 plans]
DDJ/53/12,13 General plans of workings and property [2 plans]
Mineral plans
DDJ/54/1-4 Levelling sections [5 plans]
DDJ/54/5 Plan and levels for proposed sump, Brynwith drift 1921 [1 plan]
DDJ/54/6 Longitudinal section [1 plan]
DDJ/54/7 Section of Brynwith drift [1 plan]
DDJ/54/8 Section of Brynwith and Malthouse drifts [1 plan]
DDJ/54/9 Werntarw, Journal of Borehole on site of proposed sinking 1917-1918 [1 plan]
DDJ/54/10 Gate conveyor with self contained compressed air engine 1933 drive, Raglan collieries Limited, Pencoed [1 plan]
DDJ/54/11,12 Section of strata proved at Raglan and Tynywaun collieries [2 plans; with copy]
DDJ/54/13 Section of strata from Lantern to Six feet seams, proved in drift at Meiros colliery [1 plan]
28 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/54/14,15 Section of strata proved on west side of fault in 4 west level, Deep district [2 plans]
DDJ/54/16 Raglan colliery. Ventilation plan of Rock Fawr and Hafod seams [1 plan]
DDJ/54/17 Raglan colliery. Ventilation plan of Lantern and Rider seams [1 plan]
DDJ/54/18 New Electrical Haulage house [1 plan]
DDJ/54/19 Plans of property and workings in seams [1 booklet of 6 plans]
DDJ/54/20-43 Various plans of workings and sections [24 plans]
DDJ/54/44 Section running north & south through line of Brynwith drift [1 plan]
DDJ/54/45 Section of hard heading from Lantern to Rock Fawr seam [1 plan]
DDJ/54/46,47 Hedley’s collieries, Pencoed. Section of Raglan colliery from 1914 north to south, by Mr Thornley [2 plans]
DDJ/54/48 Present and proposed haulage arrangements, for Brynwith drift [1 plan; very fragile]
DDJ/54/49 Section along full coal road from mouth of Brynwith to tippler [1 plan]
DDJ/54/50 Raglan colliery, workings in Werntarw seam [1 plan]
DDJ/54/51-53 Raglan colliery, workings in Lantern Rider seam [3 plans]
DDJ/54/54-56 Raglan colliery, workings in Lantern seam [3 plans]
DDJ/54/57 Raglan colliery, workings in proposed extension to Lantern seam [1 plan]
29 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/54/58-60 Raglan colliery, workings in Malthouse seam [3 plans]
DDJ/54/61-63 Raglan colliery, workings in No.3 Rhondda seam [3 plans]
DDJ/54/64-69 Raglan colliery, workings in No.3 development [6 plans]
DDJ/54/70 Raglan colliery, workings in East district [1 plan]
DDJ/54/71,72 Raglan colliery, workings in No.2 development [2 plans]
DDJ/54/73 Raglan colliery, workings in No.2, No.3 and Lantern [1 plan; very fragile]
DDJ/54/74 Raglan colliery, workings in Rock Fawr seam [1 plan]
DDJ/54/75 Raglan colliery, workings in Rock Fawr development [1 plan]
DDJ/54/76,77 Raglan colliery, proposed cross measure drivage No.2 to No.3 Rhondda seams [2 plans]
DDJ/54/78 Raglan colliery, proposed drivages to win Six feet seam north of anticline [1 plan]
DDJ/54/79 Raglan colliery, section of hard heading to No.3 Rhondda 1918 seam [1 plan]
DDJ/54/80 Werntarw and Raglan collieries. Workings in No.3 seam in Received relation to proposed barrier, received 1926 1926 [1 plan]
DDJ/54/81 Raglan and Werntarw collieries, plan received from Mr 1925-1926 Wardlow prior to survey [1 plan]
DDJ/54/82-88 Notebooks and surveys of RM Dillwyn 1915-1927 [7 small volumes]
30 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/55/1 Cribwr Main colliery; abandoned the Upper seam 1885, and commenced re-opening the Lower one, by John Henderson [1 plan]
DDJ/55/2 Cribwr Main colliery; colliery dismantled and plant sold by 1895 auction, by John Henderson [1 plan]
DDJ/55/3 Cribwr Main colliery; workings under Bryn Chwyth and Tynewydd farms [1 plan]
DDJ/56/1 Tynewydd colliery. Garn Fawr vein (Pencoed), old workings finished 1870 [1 plan]
South Rhondda Colliery
DDJ/57/1,2 Plans of workings in No.3 seam [2 plans]
DDJ/57/3,4 Plans of workings in Lantern seam [2 plans]
DDJ/57/5 Plan of workings in No.2 seam [1 plan]
DDJ/57/6 Plan of workings in Lantern, Six, Four and Two feet nine seams [1 plan]
DDJ/57/7 Plan of workings in Hafod seam [1 plan]
DDJ/57/8 Plan of workings in [seam not stated] [1 plan; rough tracing]
DDJ/57/9 Cwm Ciwc. No.3 seam [1 plan]
DDJ/57/10 Tracing from Ordnance Survey 25-inch plan showing area [1 plan]
DDJ/57/11,12 Plans of Llanbad Fawr and enlargement of boundary [2 plans]
31 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
Ynysarwed Estate, Resolven
DDJ/58/1 Ynysarwed demesne [1 plan]
DDJ/58/2 Ynysarwed estate and adjustment of boundaries in No.2 Rhondda seam [1 plan]
DDJ/58/3-5 Ynysarwed colliery. Plans of workings in No.2 Rhondda seam [3 plans]
DDJ/58/6,7 Ynysarwed colliery. Plans of workings in No.3 Rhondda seam [2 plans]
DDJ/58/8 Ynysarwed colliery. Plan of workings in No.2 Rhondda and steam coals [1 plan]
DDJ/58/9-12 Ynysarwed colliery. Plans of workings in Peacock vein [4 plans]
DDJ/58/13 Ynysarwed colliery. Plan of workings in Red vein [1 plan]
DDJ/58/14 Ynysarwed colliery. Plan of workings in Lower measures [1 plan]
DDJ/58/15-17 Ynysarwed colliery. Plans of workings in Nine feet (Big vein) [3 plans]
DDJ/58/18,19 Ynysarwed colliery. Plans of workings in [seam not stated] [2 plans]
DDJ/58/20,21 Plans of workings in Hendregarreg, Glyncorrwg [2 plans]
DDJ/58/22,23 Plans of workings in Blaenant colliery, Crynant 1931 & [2 plans] no date
DDJ/58/24 Plan of workings in Blaenant colliery, Red vein [1 plan]
DDJ/58/25 Plan of workings in Blaenant district. Dillwyn colliery workings [1 plan]
DDJ/58/26 Plan of workings in Blaenant district. Dillwyn colliery red vein [1 plan]
32 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/58/27-29 Plans of workings in Llwynffynnon colliery, Glyncorrwg (also rough plans) [3 plans]
DDJ/58/30-35 Ynysarwed colliery. Plans for report and valuation. Workings in the No.2 and No.3 Rhondda seams, Workings in the No.2 Rhondda and Hendregarreg seam, Workings in the Wenallt Rider and Glyngwilym seams, Hendregarreg colliery, Glyncorrwg Sections of seams proved at Hendregarreg and Ynisarwed and Blaenant properties (& copy) [5 plans & 1 label]
DDJ/58/36 Ynisarwed Colliery, Resolven. Section through borehole, by 1925 WA Lee Thomas [1 plan]
DDJ/58/37 Diagram of a stone dust barrage [?Ynysarwed] [1 plan]
33 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
MISCELLANEOUS COLLIERIES
Clyne Valley Colliery
DDJ/59/1,2 Cross sections on main slant, by RM Dillwyn (consultant for 1907 Cammell Laird) [2 plans]
Cwm colliery, Llangynwyd
DDJ/60/1,2 Plan of workings in No.1 Rhondda seam [1 plan; with copy]
Gellyceidrim colliery
DDJ/61/1-3 Sections [3 plans]
Great Western Colliery
DDJ/62/1-5 Outline of workings in Four, Five and Six feet seams, and 1913 correspondence arranging meeting between RM Dillwyn and Hugh Bramwell of Great Western Colliery Company Limited [3 plans, 2 papers]
Gwaunclawdd colliery
DDJ/63/1 Vertical section [1 plan]
Maesmawr Llantwit colliery, Llantwit Fardre [?Booker family]
DDJ/64/1,2 Plan of workings in Two feet and Yard seams (also rough tracings), received 1903 [2 plans]
Pontyrhyl
DDJ/65/1-3 Messrs B&G Braund. Plans of workings in No.1 & No.2 Rhondda seams [3 plans]
34 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
MISCELLANEOUS PLANS
Plans numbered “1-6”
DDJ/66/1,2 Showing extent of workings at Tondu [1 plan; with copy]
DDJ/66/3,4 Showing extent of Malthouse and Rock Fawr seams at Cefn Carfan [1 plan; with copy]
DDJ/66/5 Showing extent of Malthouse and Rock Fawr seams at South Rhondda colliery, Cwm Ciwc colliery and Mynydd Hugh [1 plan]
DDJ/66/6,7 Showing extent of workings at South Rhondda colliery (disused) [1 plan; with copy]
DDJ/66/8,9 Showing extent of workings at Ynys Forgan [1 plan; with copy]
DDJ/66/10-12 Showing extent of seams of Hendrefoilan minerals 1936 [1 plan; with 2 copies]
SOUTH WALES COALFIELD
DDJ/67/1 Plan of South Wales and Bristol and Somerset coalfields with no date lists of collieries closed during past twenty years [1 plan]
DDJ/68/1 Plan of the South-western portion of the South Wales coalfield, no date showing mineral takings, railways and ports [1 plan]
CENTRAL VALUATION BOARD
DDJ/69/1-4 Ordnance survey 10-mile maps of Great Britain showing [?1941] proposed valuation regions with inset map showing boundary between areas 4 & 5, also newspaper cutting on the work of the Central Valuation Board [3 plans; 1 paper]
35 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
TRANE CEMETERY EXTENSION
DDJ/70/1-3 Levelling plans and notes no date [Notebook includes also: Ynis corrwg pit section, no date, and notes of Llwyn-y-fynnon colliery, 1925-1927] [2 plans; 1 small volume]
GEOLOGICAL
Geological Survey of Great Britain. Vertical sections of coal measures
DDJ/71/1 No.2 Llwchwr and Penclawdd, by WE Logan no date [1 plan]
DDJ/71/2 No.4 Llandebie, Carmarthenshire, Cwm Twrch, Ystradgynlais, Breconshire, Fforest fach – Cwm Gwendraeth, Llansamlet and Bryn Coch Dyffryn, Neath, by WE Logan and Sir Henry de la Beche [1 plan]
DDJ/71/3 No.5 Penllegare to Tair Carn and Pant y gwasted, Carmarthenshire, by Sir Henry de la Beche [1 plan]
DDJ/71/4 No.6 Penllegare to Bishopston, by Sir Henry de la Beche [1 plan]
DDJ/71/5 No.8 Merthyr Tydfil district, Ebbw Vale, Cwmtelery, Pontypool no date district and Risca, by David H Williams [1 plan]
Geological Survey of Great Britain. Sections of shafts
DDJ/72/1,2 No.80 Area covered by one-inch plan no.249 (South 1895 Monmouthshire & East Glamorgan), by A Strahan [1 plan; with copy]
DDJ/72/3 No.81 Area covered by one-inch plan no. 232 (North-east no date Glamorgan and north-west Monmouthshire), by A Strahan [1 plan]
DDJ/72/4 No.83 Area covered by one-inch plans nos. 231, 248 (Taff 1900 Aberdare & Rhondda Fach valleys), by A Strahan [1 plan]
36 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/72/5 No.84 Area covered by one-inch plan no. 248 (below Pennant 1901 Grit in the Rhondda Fawr & in Upper measures at Llantwit), by A Strahan & W Gibson [1 plan]
DDJ/72/6 No.85 Area covered by one-inch plans nos. 231, 248 (Tawe, 1901 Dulais, Neath, Avan, Llynfi, Garw & Ogmore valleys) by A Strahan, RH Tiddeman and W Gibson [1 plan]
DDJ/72/7 No.87 Area covered by one-inch plans nos. 230, 247 1904 (measures above Hughes vein near Neath, Swansea & Llanelly), by A Strahan & EEL Dixon [1 plan]
Ordnance Survey Geological Survey, 2nd edition, 6-inch
DDJ/73/1 2 (complete) 1900 [1 plan]
DDJ/73/2 14 NE 1900 [1 plan]
DDJ/73/3 14 SE 1900 [1 plan]
DDJ/73/4 16 SW & 25 NW 1900 [1 plan]
DDJ/73/5 17 SE & 18 SW 1900 [1 plan]
DDJ/73/6 23 NE 1900 [1 plan]
DDJ/73/7 26 SE 1900 [1 plan]
DDJ/73/8 26 NE 1900 [1 plan]
For 7 NE & SE, 8 NW & SW, 14 NE and 15 NW see DDJ43/5 Lanelay estate (Vaughan Lee)
37 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
Ordnance Survey Geological Survey, 2nd edition, 6-inch Pembrokeshire
DDJ/74/1 21 NE & SE 1908 [1 plan]
Ordnance Survey Geological Survey, 1921 edition, 6-inch
DDJ/75/1 25 NW & SW (Ynys Forgan boundary in water-colour) 1921 [1 plan]
Henry K Jordon’s plans
DDJ/76/1 Horizontal section Pontyberem to Llanelly 1915 [1 plan]
DDJ/76/2 Horizontal section Cefn Coed y Cymmer to Pencoed 1908 [1 plan]
DDJ/76/3 Horizontal section Llandebie to Swansea Bay 1910 [1 plan]
DDJ/76/4 Horizontal section Rhymney to Cwmbran 1908 [1 plan]
DDJ/76/5 Horizontal section across Dyffryn Trough, Neath 1908 [1 plan]
DDJ/77/1 Vertical sections of Swansea & Neath, Tondu, Ogmore fach, 1908 Monmouthshire Pen y fan, and Forest of Dean districts [1 plan]
DDJ/77/2 Vertical sections of Llanelly, Gorseinon & southward, Crown 1915 colliery, Pwll, Blaen Hirwaun near Tumble, Gwaun Cae Gurwen, Whitworth, Ynyscorrwg, Catherine pit at Ogmore Vale, Tyn-y-Waun pit at Bryncethin, South Rhondda colliery at Pencoed, and Coed Ely colliery [1 plan]
DDJ/77/3 Vertical sections of Neath valley, Swansea valley, Brynamman, 1910 Amman valley, Ammanford, Loughor valley and Gwendraeth districts [1 plan]
DDJ/78/1 South Wales coalfield, Part II, plan of Swansea showing the 1910 crops of the coal seams, 6-inch [1 plan]
38 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/78/2 Ordnance Survey 6-inch geological plans, Carmarthenshire 47 1915 SE and 54 NE “to illustrate Mr Henry K Jordon’s paper, part III, South Wales Institute of Engineers” [1 plan]
Comparative sections
DDJ/79/1 Comparative sections to illustrate the base of the Pennant and 1913 the Red strata beneath, Penrhiwceiber, Bedwas, Oakdale, Crumlin, Nine Mile Point, Tirpentwyn and Westerleigh No.1 borehole, by Henry K Jordon [1 plan]
DDJ/79/2,3 Comparative sections of strata proved in south crop between no date Llantwit Fardre and Tondu, at Coytrahen, Tynywaun, Raglan, Werntarw, Cwm Ciwc, Llanharan, South Rhondda, Meiros, Coed-ely, Ynysmardy and Cwm Llantwit Fardre (also tracing of Tynywaun & Raglan only) [2 plans]
DDJ/79/4 Ynysmardy section, No.2 Pit no date [1 plan]
DDJ/79/5 Section of 6-foot seam at Glanmurwg colliery, Llangennech, no date Carmarthenshire [1 plan]
DDJ/79/6 Section of strata Weig Fach to Forest Fach, Llangyfelach, near Swansea “copied from an old book written by W Fairley, F.S.S. about 1860/70” [1 plan]
DDJ/79/7 Vertical section of comparative levels, Calland’s pit Landore, 1934 Mynydd Newydd, Tirdonkin, Garngoch nos. 1-3, Cape, Mountain, Caeduke and Broadoak collieries, by David J Price [1 plan]
DDJ/79/8 Llanharan sections, North and South pits [1 plan]
DDJ/79/9 Ferndale collieries, description of seams [1 plan]
39 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
ORDNANCE SURVEY PLANS
OS 25-inch plans
First edition 1875 4.15 18.16 27.14 DDJ/80/1-15 4.16* 19.9 28.9 5.15 19.13 35.8 10.3 27.4 35.12 18.12 27.12 36.9
* denotes plan put in OS cabinet
[15 plans]
First edition, Breconshire 1875
DDJ/81/1-6 45.3 45.7 45.12 45.4 45.8 49.3
[6 plans]
2nd edition 1899 DDJ/82/1-40 5.16* 23.4 28.9(2) 7.16* 23.7 28.12 11.4* 23.8 28.13 15.10 26.11(2) 34.4 15.11 26.13 34.12 15.14* 26.14 35.3 15.15 27.11 35.5 18.13 27.12* 35.9 19.9 27.14(2) 36.13* 19.13(2) 27.15(2) 36.14 20.6* 28.5 42.2 20.10* 28.6
* denotes plan put in OS cabinet
[40 plans]
2nd edition, Breconshire 1899
DDJ/83/1,2 45.11 45.12
[2 plans]
40 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
3rd edition
DDJ/84/1-28 8.16 25.11* 35.3 1918 9.7* 25.12 35.16(2) 9.8* 25.15* 36.13 9.11* 25.16* 36.9 9.12 27.14(2) 41.4(2) 9.16 27.15 42.1*(2) 11.4* 28.5 15.4 28.10 19.9 35.2
* denotes plan put in OS cabinet
[28 plans]
OS 6-inch plans
DDJ/85/1-4 19, 27, 28, 36 1875 edition showing boundaries and owners’ names in water colour [4 plans]
DDJ/86/1-6 18, 19, 26, 27, 35, 36 1875 edition showing some boundaries [6 plans]
DDJ/87/1-3 8 SE, 23, 34 NE & SE / 35 NW & SW 1900 edition showing some boundaries [3 plans]
DDJ/88/1,2 14, 17 NE & SE / 18 NW & SW 1921 edition showing some boundaries [2 plans]
OS 125-inch plans
DDJ/89/1-12 15.9 NE 27.12 NE 18.13 NW 27.12 SE 18.13 SW 27.14 SE 19.9 NE 28.14 NW} joined 19.10 NW 28.14 NE } 27.8 SE
[12 plans]
41 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
NOTEBOOKS & DIALLING BOOKS
DDJ/90/1-26 Notebooks of RM Dillwyn [Nicholl] and JD Jones, concerning numerous collieries, the contents of the volumes mixed, but including the following: [many early volumes are from the period when RM Dillwyn Nicholl worked for Forster Brown & Rees] Tondu estate, 1904 Eskyn colliery, Neath, post 1913 Birchgrove collieries, 1923-1930 Cwmtawe Anthracite, 1923-1932 Vale of Neath Dinas Fire Brick & Cement Company’s quarries, 1904 Coytrahen Park colliery, Tondu Cefn Celfi colliery Company & Cwmceiros colliery Company, 1923-1938 Bolgoed & Talyfan, etc, 1923-1938 Tawe Vale collieries, 1923-1928 Main collieries, 1923-1930 Llwynddu Brickworks, 1943 Cilely, 1928-1937 Dinas Isha, 1923-1942 Great Western colliery, Pontypridd, 1894 [26 small volumes]
DDJ/90/27-30 Valuations, dilapidations and surveys of Metropole hotel, 1945 & Llandrindod Wells, houses in Bridgend, Pontypridd, Ross on undated Wye, and Merthyr Mawr house [4 small volumes]
DDJ/91/1 Weekly reports by RM Dillwyn Nicholl to Forster Brown & Sep 1897- Rees, on sinking of Windsor colliery, Abertridwr Mar 1899 [1 volume]
DDJ/91/2 Notebook, Windsor colliery 1896-1902 [1 small volume]
ROYAL COMMISSION ON MINES
DDJ/92/1 Royal Commission on Mines, 1st report 1907 [1 volume; printed]
DDJ/92/2 Royal Commission on Mines, 2nd report 1909 [1 volume; printed]
DDJ/92/3 Royal Commission on Mines, 3rd report 1911 [1 volume; printed]
42 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/92/4 General report, with statistics on mines & quarries 1910 [1 volume; printed]
DDJ/92/5 Final report on mining royalties 1893 (reprinted 1912) [1 volume; printed]
SPY CARTOONS
DDJ/93/1-3 “Derek”, “New South Wales”, “Swansea” [3 cartoons]
PAPERS OF RICE MANSEL DILLWYN [NICHOLL]
Rice Mansel Dillwyn [Nicholl]. 3rd son of John Cole Nicholl and wife Mary de la Beche Dillwyn (eldest daughter of Lewis Llewelyn Dillwyn of Hendrefoilan). Born 1875, married in 1904 Harriet (eldest daughter of Arthur Gilbertson of Glanrhyd). Assumed the surname of Dillwyn.
DDJ/94/1-20 Letters received by RMD Nicholl at Marlborough School from 1891-1892 mother and sister [Dorothy] & undated [13 papers; 7 envelopes] [?1892]
DDJ/95/1-3 Letters received by RMD Nicholl from his mother (who was 1904 visiting Canada) [2 papers; 1 envelope]
DDJ/96/1,2 Two dance programmes, Colwinston, 1901, and Neston Park, 1901 & Wiltshire, undated, [RMD Nicholl’s sister, Gwenllian, married in undated 1898 Henry Fleetwood Fuller of Neston Park] [2 cards; with pencils attached]
DDJ/97/1-43 Letters received by RMD Nicholl before setting out and while in 1899-1904, Russia, from his brother Lewis Nicholl, Hubbard (his 1913 employer), and others, and letters from Russia received by Nicholl after his return to England, photographs and postcards (including National Telephone Company Limited, Swansea area, advertisement, c1904) [32 papers; 3 envelopes; 5 photographs; 3 picture postcards]
43 © Glamorgan Record Office
RM DILLWYN & JD JONES, MINING ENGINEERS, BRIDGEND DDJ
DDJ/98/1-3 Notebook of RMD Nicholl [?working for Forster Brown and 1898-1903 Rees], giving description, statistics, etc, of collieries and coke works on Nicolaieffka property, in the Slavyanoscrpski district of the Ekaterinoslav government, Kreeneechenski department, South Russia, 1898-1899; Geological plan of the Almaznia district by Rice Mansel Dillwyn Nicholl, 1899; Notebook of Rice Mansel Dillwyn Nicholl inspecting zinc, lead and silver mines at Le Vigan and Villefranche, France, 1903 [2 small volumes; 1 plan]
DDJ/99/1 Hotels on the Grand Atlantic Route, Killarney, post 1899, with post 1899 notes of journey [by RMD Nicholl], Dec, [probably 1904, his [?1904] honeymoon] [1 small volume]
DDJ/100 Negatives of photographs taken by RMD Nicholl of industrial, [?1897] – topographical and family interest (including views taken in 1904 Russia, and details of the sinking of the Windsor colliery, Abertridwr) [122 photographic negatives]
DDJ/101 Positive photographs of most of the above negatives [developed by S Travers, Cardiff, for Glamorgan Record Office, 1962] [118 photographic positives]
DDJ/102/1 “New and perfected Sensitive Paper for Wynne’s Infallible Exposure Meter”, purchased 1902 [1 packet]
DDJ/103/1-5 Proposed alterations and additions to Castell-y-Pen-Allum for 1913 RM Dillwyn, esquire, by Glendinning Moxham, architect, Swansea [5 plans]
DDJ/103/6 Time book and notes re building at Castell-y-Pen-Allum, near 1919 Bridgend [1 small volume]
44 © Glamorgan Record Office