Structure contour map of the Montana plains /

Structure contour map of the Montana plains / by C.E. Dobbin and C.E. Erdmann.

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Bibliographic Details
Main Author: Dobbin, C. E. (Carroll Edward), 1892-1967
Corporate Author: Geological Survey (U.S.)
Other Authors: Erdmann, C. E. (Charles Edgar), 1897-1971
Format: Government Document Map
Language:English
Published: Washington, D.C. : U.S. Geological Survey, 1955.
Series:Oil and gas investigations map ; OM 178-A.
Subjects:
Geology, Structural > Montana > Maps.
Petroleum > Geology > Montana > Maps.
Description
Item Description:"Originally published in 1932, with revisions in 1935 and 1946"-- from margin.
"This map is also available as Map OM 178 B at a scale of 1:1,000, 000."
Includes index map.
Physical Description:1 map : color ; 102 x 178 cm.

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