00935cam a22002771 4500 gs 55000333 DLC 20260227111403.0 781005s1955 sduab b 000 0 eng c gs 55000333 (OCoLC)4265364 U.S. Geol. Survey. Libr. UU OCoLC DLC premarc GB1025.S8 E7 551.49 Erickson, Harold D. Artesian conditions in northeastern South Dakota. Vermillion, University of South Dakota, 1955. 39 p. maps (3 fold. in pocket) tables. 28 cm. South Dakota Geological Survey. Report of investigations, no. 77 Bibliography: p. 39. Artesian wells South Dakota. Water-supply South Dakota. Geology South Dakota. Report of investigations (South Dakota Geological Survey) ; no. 77. 29002 29002