Government of Alberta

This polygon dataset represents those parts of the ground surface modified by lake and stream erosion and deposition, as well as stagnation moraines covered by lacustrine sediment, as depicted in AGS Map 207, 'Quaternary Geology, Southern Alberta' (stippled and cross-hatched areas).

This polygon dataset represents those parts of the ground surface modified by lake and stream erosion and deposition, as well as stagnation moraines covered by lacustrine sediment, as depicted in AGS Map 213, 'Quaternary Geology, Central Alberta' (stippled and cross-hatched areas).