1884. Dawson, George Mercer, 1849-1901 and Geological and Natural History Survey of Canada. Relief shown by hachures and spot heights. Includes cross section from Coal Creek to Medicine Hat. 1 map: col.; 59 x 66 cm.
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1884. Dawson, George Mercer, 1849-1901 and Geological and Natural History Survey of Canada. Relief shown by hachures and spot heights. Includes notes. 1 map: col.; 59 x 67 cm.