01462cam a22003731 4500 gs 20000152 DLC 20260227111324.0 761014s1919 oncb 000 0 eng c gs 20000152 (OCoLC)2502703 U.S. Geol. survey. Library OGraD NSbSU DLC premarc QE185 .A2 no. 116 557.1 Dowling, D. B. (Donaldson Bogart), 1858-1925. Investigations in the gas and oil fields of Alberta, Saskatchewan, and Manitoba, by D. B. Dowling, S. E. Slipper, and F. H. McLearn. Ottawa, J. de L. Taché, printer, 1919. 1 p. l., ii p., 1 l., 89 p. front. fold. maps (in pocket) diagrs. (part col., in pocket) 25 cm. Canada. Geological Survey. Memoir 116. Geological series,no.98 At head of title: Canada. Department of Mines. Petroleum Alberta. Petroleum Saskatchewan. Petroleum Manitoba. Natural gas Alberta. Natural gas Saskatchewan. Natural gas Manitoba. Geology Alberta. Geology Saskatchewan. Geology Manitoba. Slipper, S. E. (Stanley Eades), 1890-1982, joint author. McLearn, F. H. (Frank Harris), 1885-1964, joint author. Memoir (Geological Survey of Canada) ; 116 25994 25994