NORTHAM REGION SHEET 2

DAWA LAND RESOURCE MAP No. 11/2 000mE 500 000mE 000mE 116°45'E 117°E 117°15'E

116°30'E 510 520 470 480 490 Mn 460 Y YY R H H R Qu Es B 31°45'S 31°45'S SOIL LANDSCAPE MAP L Mn Y R Mo Es Es R R Y H H H Y Mo Es Y Qu Y H H Qu Y R Mn Mn R R ROAD Mo Y Qu Qu D L R Y H Mo Es Es H R Mn R A Mo Qu Mo OF THE R NORTHAM R WARDING B SPENCERS H R L COROLIN-MOKINE Es Y Es Es D Mn W Mn Mn Mn R NORTHAM REGION Y R Y Y Es Mo R R W H H Es Es L R H R A Mo Qu D Y R BROOK N.C. Lantzke and I.M. Fulton L R Y Es Mn Y Y A Y Es Resource Management Division Mn L Qu L R Es R Y H Es Department of Agriculture Western L Ya ROAD R R Es Ya Ya L A Ya R D Mo R ROAD R Y H LEAVER R YORK R Y Y Es R H YORK R R Mn Y SHEET 2 YORK-BEVERLEY Mn Mn Y Ya Es Mo Qu Es Ya H L L Mn L WATERFALL R R H A ROAD L Mn Y AVON Y Mo Qu L R Y Y Ya QUELLINGTON ROAD Mo Es Es H H H Ya R ROAD Qu Ya W Y ROAD POOL Es Mn Mn L R ROAD Qu Legend of soil landscape 6 000mN H 6 000mN 480 R Mn Es Es 480 R Es map units L Y Mn Ya W K H Es WAMBYN ROAD LENNARD Mo L L Ya FLEA R Y Y Y Y Es Es R Y Y Qu L Es ROAD Ya Y H Es Mo THE DARLING RANGE AND WEST KOKEBY ZONES K Ya R Es Es Ya L The Darling Range Zone occurs in the west of the study area. The landscape Mn W H Ya R H Es GOLDFIELDS consists of an undulating, lateritic plateau with thin, swampy, minor valley R Qu Qu Qu BERRY R GOLDFIELDS Qu MAYNARD floors. However, in the east of this zone, eastward flowing streams and R H ROAD Y Es Y Ya Y Es Qu rivers such as Talbot Brook, Clackline Brook and Dale River have cut back Ya L R Mo R Ya L L Ya L Qu into this plateau creating steep, gravelly (lateritic) and rocky valleys. Y R Mo Y Mn R ROAD Mn R Y The West Kokeby Zone occurs as a small area in the south of the study area ROAD L Es Qu Es Es R Y Es nestled between the Darling Range Zone and the Zone of Rejuvenated L Ya Mo BOYERCUTTY H Es Y Es Y Qu Drainage. Dissection of the lateritic profile has left a low lying, flat sandy BROW Y L L R L Y A R Y Mo landscape with gently undulating side slopes. A number of swamps occur on Ya Y Y L Es Belmunging Qu the valley floor. Qu Y Qu Qu ROAD L Y Qu Y Y K R K H Qu Es Ya Yalanbee Mn Ya R H ROAD Pn Mn H Mn A Es R R Y Undulating, Darling Range Plateau with long, smooth slopes (1-8%) Mn Y Es Es L Pn L Mn R Qu Y containing 'buckshot gravel' soils. This unit often occurs above a breakaway Ya Ya DOODENANNING L L H Es and may have lateritic boulders on the surface. ROAD H A MACKIE Qu Y Y R R Qu L Y YORK Y Y Qu R Ya R DOODENANNING Qu Pn Pindalup R H Y Es R Y S Mo Qu Swampy, often saline, narrow valley floors found within the Darling Range L Y Es R Qu Es L L Ya R Es Y R Y Plateau. These valleys have a concave shape with slopes along the L R R H Mn H L Es creekline of less than 1%. Much of this unit is affected by salinity. Pn S Mn R R Mo Es S GREAT Y Y K L ROAD Y Qu Qu L Leaver Mn Es ROAD Qu S SOUTHERN R H A Y Y K Y MAWSON Gently inclined to steep (2-30%) gravelly slopes and ridges that occur in L Mn Y Ya Mt. Hardey Y Es R K H R the dissected Darling Range Zone. The dominant soil type is an orange, Mn H Ya Ya R Y gravelly loamy sand over clay. Ya R Es Qu Ya R Mo This unit also includes the breakaway face. STATE 470 H Es Mo Es Es Qu Es 470 R K ROAD A H Mn Michibin L HIGHWAY Mn L L QUAIRADING Y L Y Y Qu Y Steep, irregular hills with slopes of 2-12% containing rocky, red and R R A R Mo Es ROAD brownish grey loamy soils formed from freshly exposed bedrock. Commonly R found on the mid slopes adjacent to rock outcrop. K H R RIVER DOODENANNING Qu CUBBINE Es Mn Mn KNOTTS Mn R ROAD Y Es 000mE L Y Es Y Mo R Greenhills Qu Y W Williams L R Y ROAD R ROAD Qu Valley floors of the major tributary streams in the western part of the 460 L Y Es survey area containing mixed alluvial soils. Usually less than 100 m wide R R YORK Y L with slope gradients of less than 1%. R H Y Qu FOREST Pn Y Qu L H L R H R EAST Mo Es K Kokeby R Kauring Y R R R ROAD Qu Qu Gently undulating hillslopes (2-6%) common in the West Kokeby and Dale A CUBBINE K ROAD areas containing pale, sandy surfaced soils with some gravelly ridges. Ya H R Es L R ROAD Qu R Y Es Pn Qu Es Es S Sheahan Y Y Mo HELENA L A Y Pockets of deep, pale sand that often occur in hollows (1-6%) within the R R Mo Y QUAIRADING Y Qu L Qu Es Kokeby soil landscape unit. Mn R R Y GWAMBYGINE Qu Qu W TALBOT L Y Da Dale Mo Y L Y Es Qu Broad, valley floors (0-1%) found in the West Kokeby and Dale River areas L H H Y Qu containing sand over clay and pale sand. Low lying areas are prone to Ya R Es Qu waterlogging and salinity. H Y Y Ya L A R Balkuling L Es H Ma Maitland W Y Es Swamps and very poorly drained areas found within the Dale soil landscape Mn L Mo Mo Es L R unit in the West Kokeby and Dale areas. Mn H Qu Es TOP H L Ya R Y Mo Mo 460 W Mn L Mo Es Mawson Mo L Y R R Es 460 Ya Ya H Ya R R Es 32°S R Y 32°S Ya L L Es YORK THE ZONE OF REJUVENATED DRAINAGE Qu POTTS BEVERLEY R Y Qu TALBOT L R Qu Qu This zone is defined by the Meckering Line to the east and the Darling L Mn Y R Es Range Zone to the west. ie the inner wheatbelt and Avon Valley. L R R Mo Qu Y Y Mn L Y Mn Qu The Zone of Rejuvenated Drainage is characterized by greater dissection of Y the landscape than the Zone of Ancient Drainage thus forming steeper, L Ya Qu Qu Es Es Y narrower valleys which contain rivers and creeklines that flow every winter. Pn L R H L Qu R H Qu Mn Mn ROADH Es Es Mo Qu Quailing K Qu Mo L Y Y Undulating upland areas and catchment divides often found above a K Ya R Qu R R H Y breakaway. The soils consist of yellow and pale sandplain and gravelplain. Mn L R Es Y Qu Y Slopes are 0-5%. Also includes areas of deep spillway sands that have

Mn YORK Ya R moved off the plateau onto adjacent area of hillslopes. Ya Es SANDGATE Y Qu L WEST R A Y Es R Es Es Ewerts R Es Es Y R Mo Es Hillslopes (2-10%) containing predominantly sand and loamy sand over ROAD Mn W R Y Qu yellowish clay soils with some gravel ridges and some heavier soils. Ya L L Es Ya A H Y Y Y York R Ya H GREAT Es Mo Mn Es Steep, irregular hills with slopes of 3-12% containing rocky, red and Mn Mn R Mo Y Mn Y Qu Qu brownish grey loamy soils formed from freshly exposed bedrock. Commonly L R BEVERLEY H W R L found on the mid and upper slopes of the landscape adjacent to rock Mn ROAD Es Mo Qu Qu U ROAD R Qu outcrop. Mn R Mn R Qu Y L R Mn R Y H L H Hamersley Y H L R R R Es Thin, minor drainage lines that occur midslope within the York soil L H R Es landscape unit and lead down to the major drainage systems. Waterlogged L R Qu greyish loamy soils. Slopes are 1-6%. Mn L Es Y Mn A Es L Y A Ya A Avon H R Qu Y Qu 450 450 Ya R SOUTHERN Es U Alluvial terraces and floodplains adjacent to the Avon, lower Mortlock and Ya K A Es Qu lower Dale rivers containing red loamy, grey clayey and orange sandy soils. Mn L H H Y Ya R OLD Slopes are less than 1%. R L R AVON Y L H ROAD R H Mo Mortlock Y A R L L Es BEVERLEY Valley floors of the and other similar creeks that contain R L R Y R Qu predominantly sand over yellowish clay soils. Slopes are less than 1%. R R Es Es R Y Prone to salinity. R Y Y Y Ya R L BEVERLEY ROAD Y Y K H A L H R Qu WATERHATCH R H Mo Ya S W R R Y Pn BREMNER Mo Es Mo Ma Es Es THE ZONE OF ANCIENT DRAINAGE L Ya R L U ROAD CAROLING Y This zone includes all the land east of the limit of geological R Y Qu rejuvenation (Meckering Line) and extends beyond the eastern edge of R H Qu Qu Mn S H Es Es the wheatbelt. ie the outer or eastern wheatbelt. K Es K L A R BERINGER Es K Y Es EWERT STATE TALBOT K R The landscape consists of a gently undulating plateau, with wide convex H Es Es U S divides, long gentle slopes and broad valleys that contain salt lakes at W R ROAD R R ROAD S RIVER R Y their lowest point. Mn L H Y K K K S R H R L A A L R U Ulva Da R ROAD K H R Es Mo U U Yellow, and less commonly, pale, sandplain and gravelplain generally found A R Y ROAD Y on undulating, upland areas and divides with long, gentle slopes (1-5%). K R R YWILLIAMS R FEEDER Mn R R R Y B Booraan A U K U S H R Upper and mid slopes (3-10%) containing hardsetting, grey to brown sandy K S R W Es Qu BALLY BALLY R R A loam over clay soils. Some areas of pale, loamy sand over clay occur. Mn HIGHWAY Es K R FOREST S R R DALE Y L WESTDALE Mo D Danberrin L M L A ROAD Es Es Irregular, low hills with slopes of 2-10% containing rocky, red and brownish ROAD Y R grey loamy soils formed from freshly exposed bedrock. Commonly found on K R R R Da Y Y Be 6440 000mN L K 6440 000mN the mid and upper slopes of the landscape adjacent to rock outcrop. Es U Ma Es Es Ya Mn K R Mo EAST Mo ROAD Be Belka Mn R ROAD R Broad, flat (0-1%) trunk valleys containing sand over clay soils. Ma Da Y Y H K Es Ma Y Y Y Ya R R Mo W Y Be (s) Belka saline Ma M K R K S Es The Belka (saline) sub-unit contains areas of the Belka soil landscape unit Ya Ya K S K R S S R that have been affected by salinity. Mn Y Be (s) R H Y R L Ma K Y S ROAD R ROAD M Merredin L YORK K L K KOKEBY 000mE R S S K Broad, flat to gently inclined (0-2%), major valley floors containing heavy R L Mn Ma S Mt. Kokeby Es red and grey soils. Mn K S Mo 460 S S S K S A R ROAD Es Ba Baandee R K Mo L K Mn Ma Salt lakes, channels, flats and associated dunes that occur at the lowest Ya H Da K A ROAD Be (s) S Es Y point within the Zone of Ancient Drainage. Up to 3 km wide with very Ya Mn Ma Mn Da S Mo low gradients (<1%). Calcareous and gypsiferous dunes fringe the main Ya L Mn Ya L Y Da Ma LAKE MEARS Be salt lake channel. R SPRINGHILL S R S RIVER Y Be L L Mn Da K KOKEBY M Mn S R Da L Mn Mn S K BEVERLEYMa Es Ya S K S Ba SOIL LANDSCAPE UNITS COMMON TO ALL ZONES DALE DOBADERRY Mn DALE S Mo Mo L Mn Y R Steep Rocky Hills R R Da L Mn R S Mo Ya WEST ROADW Mn W Areas of bare rock and steep rocky hills (10 to >30%) containing shallow, Mn R Y K Y K Mo K Da W Da U Be rocky red and brownish grey loamy soils. Most common in the Avon Valley R Mn R W L Y Mo Y Mn Mn Mn K Mo and Dale areas but can occur anywhere where rock outcrops. 32°15'S 32°15'S L Ya Mn L R S R 117°E 116°45'E 117°15'E 000mE 470 480 510 490 520 000mE 500 Soil landscape boundary Cadastral road boundary Surveyed cadastral boundary Unsurveyed cadastral boundary

Bibliographic reference Reference Lantzke, N.C. and Fulton, I.M. 1992. "Soil landscape map of the Northam region." Projection: Universal Transverse Mercator Location diagram Index to map sheets Grid: AMG zone 50 (Scale 1:100 000 3 map sheets) DAWA Land Resource Map No. 11/2. Source data: Field survey and interpretation of To accompany Lantzke, N.C. and Fulton, I.M. 1993. "Land resources of the Northam region". aerial photography. Sheet Aerial photography: WA2189, WA2191, 1:50 000, Jan. 1984. Sheet 3 1 WA2268, WA2271, WA2274, 1:50 000, Jan. 1985. WA2181, WA2184, WA2185, 1:50 000, Nov.- Dec. 1983. WA2267, WA2268, 1:50 000, Jan. 1985. Sheet 2 Acknowledgements Soil survey by N.C. Lantzke, Resource Management Division, Department of Agriculture . Digital cadastre base supplied by the Use of map This map is designed for use at the published scale. Technical queries Department of Land Administration. Map prepared by P.M. Goulding with the assistance Western should be directed to Resource Management Division, of D.G. Chalmers and A.F. MacDonagh, Resource Management Division, Department of Agriculture Western Australia. Australia Department of Agriculture Western Australia. Areal scale N

Area of survey

Scale 1:100 000 1000m 0 1 2 3 4 5km 800 ha in units of 100 ha C 1992