A method of water prospecting Simpson, Howard E. (Howard Edwin) 1874-1938 creator text ndu Grand Forks, N. Dak 1927 monographic eng
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17 p. pl. 23 cm. by Howard E. Simpson. At head of title: Artesian water conservation fund: Artesian water paper no. 4. "Third biennial report of the State water geologist" [1925-1926]: p. 9-16. List of Artesian water papers: p. 17. n-us-nd Water-supply North Dakota TD390 .S5 North Dakota. Geological Survey. Bulletin 6 gs 28000259 Library, U.S. Geological Survey 790208 20260227111332.0 gs 28000259