00917cam a22002531 4500 gs 33000037 DLC 20260227111337.0 790208s1932 ndu s000 0 eng c gs 33000037 (OCoLC)4629284 U.S. Geol. Survey Library NdU OCoLC DLC n-us-nd GB1025.N9 S52 Simpson, Howard E. (Howard Edwin), 1874-1938. The ground waters of North Dakota, by Howard E. Simpson. Grand Forks, N. Dak., 1932. 26 p. incl. map, pl. 23 cm. North Dakota. Geological Survey. Bulletin 7 At head of title: Artesian water conservation fund...Artesian water paper no. 5. "Fourth biennial report of the State water geologist [for 1927 and 1928]": p. [18]-26. Groundwater. Water-supply North Dakota. 27000 27000