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You searched for: geology Remove constraint geology Time Period 1900-1949 Remove constraint Time Period: 1900-1949

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15.

Geology of the Duluth metropolitan area, Bulletin 33, Plate 5 Maps maps university-of-minnesota

1949. Schwartz, George M. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 48 North, Range 15 West, sc... Minnesota Geological Survey.

16.

Geology of the Duluth metropolitan area, Bulletin 33, Plate 6 Maps maps university-of-minnesota

1949. Schwartz, George M. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 48 North, Range 16 West, sc... Minnesota Geological Survey.

17.

Geology of the Duluth metropolitan area, Bulletin 33, Plate 7 Maps maps university-of-minnesota

1949. Schwartz, George M. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 48 North, Range 17 West, sc... Minnesota Geological Survey.

18.

Geology of the Duluth metropolitan area, Bulletin 33, Plate 8 Maps maps university-of-minnesota

1949. Schwartz, George M. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 49 North, Range 15 West, sc... Minnesota Geological Survey.

19.

Geology of the Duluth metropolitan area, Bulletin 33, Plate 9 Maps maps university-of-minnesota

1949. Schwartz, George M. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 49 North, Range 16 West, sc... Minnesota Geological Survey.

22.

Indiana coal mines: located on railroads Maps maps indiana-university

1947. Shows southwestern Indiana from Newport in the north to the Ohio River on the south and from the Wabash River on the west to Morgantown on the east... The Association.

23.

Oahu, Hawaii Mem-O-Map Maps maps university-of-michigan

1946. 1 map : col. ; 32 x 24 cm. Relief shown pictorially. North oriented toward upper right. Legend shows symbols for arrival and departure dates and qu...

24.

Waterflood Units [Illinois] (1946-2002) Datasets datasets university-of-illinois-urbana-champaign

1946. Illinois State Geological Survey. The Illinois State Geological Survey (ISGS) has collected data regarding injected and produced fluids of oil payzones for over 2000 waterflood proj... Illinois State Geological Survey.

25.

Illinois-Missouri, Renault quadrangle. Maps maps university-of-illinois-urbana-champaign

1943. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1911 and 1913. Culture revised in part, 1940";"Surveyed in cooperation with the States of Illinois and Misso... Bureau of Geology and Mines (Rolla, Mo.), Geological Survey (U.S.), and Geological Survey Division (Urbana, Ill.).

26.

Coal map of Indiana Maps maps indiana-university

1939. Vrydagh, Allison L. Inset : [key map, state of Indiana]. Includes text: 'List of coal mining companies shipping by rail'; 'List of rail shipping mines in the state of ...

40.

Missouri-Illinois, St. Charles quadrangle Maps maps university-of-illinois-urbana-champaign

1933. Geological Survey (U.S.). Contour interval 20 feet;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army";"Surveyed in 1923 and 1927";... Bureau of Geology and Mines (Rolla, Mo.), Geological Survey (U.S.), and Geological Survey Division (Urbana, Ill.).

41.

Geological map of Indiana Maps maps indiana-university

1932. Conservation Commission, Stanley Coulter, Chairman.' 'The base used ... is the Ryse map, which has been modified.' Includes geologic cross sections... Indiana Department of Conservation.

43.

Geologic map of Alabama Maps maps university-of-minnesota

1926. Geological Survey of Alabama. (University], ).

44.

Geologic map of Alabama Maps maps university-of-minnesota

1926. Geological Survey of Alabama. (University], ).

46.

Missouri-Illinois, Altenburg quadrangle Maps maps university-of-illinois-urbana-champaign

1925. Geological Survey (U.S.). Control in part by Mississippi River Commission.;"Surveyed in 1915 and 1922.";Relief shown by contours and spot heights.;1 map, colored;45 x 34 cm.... Bureau of Geology and Mines (Rolla, Mo.), Geological Survey (U.S.), and Geological Survey Division (Urbana, Ill.).

50.

Missouri-Illinois, Cape Girardeau quadrangle Maps maps university-of-illinois-urbana-champaign

1924. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1921-1922.";Relief shown by contours and spot heights.;1 map, colored;45 x 36 cm.;1:62,500. Bureau of Geology and Mines (Rolla, Mo.) and Geological Survey (U.S.).