TY - BOOK AU - Erickson,Harold D. TI - Artesian conditions in northeastern South Dakota T2 - South Dakota Geological Survey. Report of investigations, AV - GB1025.S8 E7 U1 - 551.49 PY - 1955/// CY - Vermillion PB - University of South Dakota KW - Artesian wells KW - South Dakota KW - Water-supply KW - Geology N1 - Bibliography: p. 39 ER -