01231cam a22003011 4500 gs 19000200 DLC 20260227111323.0 771115s1919 mnuabf b 001 0 eng gs 19000200 (OCoLC)3421455 DLC MnManS OCoLC DLC premarc QE127 .A22 no. 16 TN840.M5 S73 Copy 2. Soper, Edgar Kirke, 1886- The peat deposits of Minnesota, by E. K. Soper. Minneapolis, The University of Minnesota, 1919. ix, 261 p. illus., XXI pl. (part fold., incl. 4 maps) 23 cm. Minnesota Geological Survey. Bulletin no. 16 At head of title: The University of Minnesota ... In coöperation with the United States Geological survey and the United States Bureau of mines. Published also as thesis (Ph. D.) University of Minnesota, 1917, with title: The origin, occurrence, and uses of Minnesota peat. Bibliography: p. [254]-256. Peat Minnesota. Geological Survey (U.S.) United States. Bureau of Mines. Bulletin (Minnesota Geological Survey) ; no. 16. 25932 25932