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.