Geology, Foremost west of fourth meridian, Alberta [cartographic material] / Geological Survey of Canada, Department of Mines and Technical Surveys ; geology by E. J. W. Irish, 1964, 1965, 1966, 1967 ; geological cartography by the Institute of Sedimentary and Petroleum Geology, Geological Survey of Canada, 1967
Scale 1:253,440. 1 in. to 4 miles. (W 112 0--W 110 0/N 50 0--N 49 0).
Note:
"Preliminary series". Relief shown by contours and spot heights. "Adjoins Map 20-1967, 'Lethbridge'". "Adjoins Map 21-1967, 'Medicine Hat'". Includes text and index.