Surficial geology, Two Island Lake, British Columbia / [by] D.H. Huntley ... [et al.]. : M183-1/124-2013E-PDF

"Canadian Geoscience Map 124 depicts the surficial geology over some 790 km2 covered by the Two Island Lake map sheet (NTS 94-O/08), in northeastern British Columbia. The southern two thirds of the map area include a portion of the Fort Nelson Lowland, drained by the southwest-flowing Kiwigana River and tributaries. The Etsho Plateau occupies the northern third of the map area. Bedrock is mantled by unconsolidated earth materials dating to the Late Pleistocene (Late Wisconsinan Glaciation, > 25 ka to ca. 10 ka) and non-glacial Holocene (ca. 10 ka to present). Deposits of till, green on the map, are generally suitable for placement of infrastructure. Glaciofluvial deposits with mineral, aggregate and groundwater potential are coloured orange. Slopes disturbed by landslides and debris flows appear as brown. Organic deposits with sporadically discontinuous permafrost are coloured grey. Alluvial deposits prone to flooding, erosion, and sedimentation appear yellow on the map"--Abstract.

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