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Clastic rocks associated with the Midcontinent Rift System in Iowa / by Raymond R. Anderson and Robert M. McKay. (Strategic and critical minerals in the midcontinent region, United States ; ch. 1) (U.S. Geological Survey bulletin ; 1989)

Clastic rocks associated with the Midcontinent Rift System in Iowa / by Raymond R. Anderson and Robert M. McKay. (Strategic and critical minerals in the midcontinent region, United States ; ch. 1) (U.S. Geological Survey bulletin ; 1989)
紙図書
U.S. G.P.O.1997.<ME683-A86>
国立国会図書館
  • 件名...- Proterozoic. Geology -- Iowa. 先カンブリア紀. Iowa州. Keweenawan Ri...

⁴⁰Ar/³⁹Ar age of the Manson, Iowa, impact structure and coeval impact ejecta in the Crow Creek member of the Pierre Shale, South Dakota and Nebraska [microform] / by G.A. Izett ... [et al.] (Open-file report ; 97-523)

⁴⁰Ar/³⁹Ar age of the Manson, Iowa, impact structure and coeval impact ejecta in the Crow Creek member of the Pierre Shale, South Dakota and Nebraska [microform] / by G.A. Izett ... [et al.] (Open-file report ; 97-523)
マイクロ図書
1997<YCA-I 19.76:97-523>
国立国会図書館

Mineral lands of the United States : message from the President of the United States, in reply to a resolution of the House of Representatives of the 6th of February last, [1839] concerning the mineral lands of the United States

Mineral lands of the United States : message from the President of the United States, in reply to a resolution of the House of Representatives of the 6th of February last, [1839] concerning the mineral lands of the United States
マイクロ図書
David Dale OwenReadex Microprint1975
全国の図書館

Geologic map of Iowa

Geologic map of Iowa
紙地図
Iowa Geological Survey1969
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Galena-Elizabeth folio, Illinois-Iowa

Galena-Elizabeth folio, Illinois-Iowa
紙地図
by E. W. Shaw and A. C. Trowbridge ; surveyed in cooperation with the Geological survey of IllinoisU.S. Geological Survey1916
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Lancaster-Mineral Point folio, Wisconsin-Iowa-Illinois

Lancaster-Mineral Point folio, Wisconsin-Iowa-Illinois
紙地図
[by Ulysses S. Grant and Ernest F. Burchard]U.S. Geological Survey1907
全国の図書館

Elk Point folio, South Dakota-Nebraska-Iowa

Elk Point folio, South Dakota-Nebraska-Iowa
紙地図
[by J.E. Todd]U.S. Geological Survey1908
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