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Physiographic Subdivisions of British Columbia
Physiographic Subdivisions of British ColumbiaContinued
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B.C. Dept bedrock Boundary Ranges British Columbia Canada Cassiar Mountains cirque glaciers Coast Mountains Coastal Trough Columbia Mountains contour Creek Cretaceous Dease deposited dissected drainage east eastern eastward extends fault feet elevation flanked flows Following 97 foothills Fraser Plateau Fraser River Geol Geology glacial Hecate ice-sheet Interior Plateau Intrusions Kawdy Plateau Kechika Kitimat Ranges landforms late Tertiary erosion lava Liard Plain Liard River lineament low relief Lowland Map-area miles wide Mount Nass Basin Nass River Nechako Plateau northeast northern northward northwesterly northwestward Okanagan Omineca Pacific Ranges Palaeozoic Peace River Photo B.C. Photographs physiographic Pleistocene Queen Charlotte Quesnel River valley Rocky Mountain Trench sea-level sedimentary and volcanic sedimentary rocks Shuswap Skeena Mountains southeastward southern southward Stikine Plateau Stikine River streams structural summits Surv Tahltan Highland Tertiary erosion surface Teslin topographic trending tributaries underlain upland surface uplift Vancouver Island volcanic rocks western side westward Yukon