Geological map of part of Nortern Alberta and portions of the Districts of Assiniboia and Saskatchewan, Northwest Territory; by J.B. Tyrrell; Geological and Natural History Survey of Canada.
Relief shown by contours, hachures and spot heights. Includes cross section. Panel title: Geological map of part of Northern Alberta, N.W.T. To accompany Part E., Annual Report, 1886. No. 3. 1 map: col.; 65 x 72 cm
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