Geological Survey of Canada, Annual Report vol. 4, (1888-1889).

The document contains:

Map of the Glacial Lake Agassiz and adjoining portions of North America; Upham, W ; Geological and Natural History Survey of Canada. Geological Survey of Canada, Multicoloured Geological Map 314, 1891, ; 1 sheet, doi:10.4095/214715.

Sections illustrating the report on the Glacial Lake Agassiz in southern Manitoba ; Upham, W ; Geological and Natural History Survey of Canada. Geological Survey of Canada, Multicoloured Geological Map 315, 1891, ; 1 sheet, doi:10.4095/214716.
Map of the beaches and deltas of the Glacial Lake Agassiz in southern Manitoba; Upham, W ; Geological and Natural History Survey of Canada. Geological Survey of Canada, Multicoloured Geological Map 316, 1891, ; 1 sheet, doi:10.4095/214717.

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