00765cam a22002411 4500 gs 06000019 DLC 20260227111303.0 780411s1889 mnu 000 0 eng c gs 06000019 (OCoLC)3791877 U.S.Geol. survey. Library MnManS DLC premarc n-us-mn QE127 .A22 no. 1 Winchell, N. H. (Newton Horace), 1839-1914. The history of geological surveys in Minnesota. By N. H. Winchell. St. Paul, The Pioneer Press Co., 1889. 37 p. 25 cm. Geological and Natural History Survey of Minnesota. Bulletin no. 1 Geology Minnesota. Minnesota Surveys. 24372 24372