Preliminary geologic map of the Figure Four Spring quadrangle, Rio Blanco and Garfield Counties, Colorado / by Ronald C. Johnson.

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Bibliographic Details
Main Author:	Johnson, Ronald C. (Ronald Carl), 1950-
Corporate Author:	Geological Survey (U.S.)
Other title:	Figure Four Spring quadrangle, Rio Blanco and Garfield Counties, Colorado.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : U.S. Geological Survey, 1977.
Series:	Miscellaneous field studies ; map MF-912.
Subjects:	Geology > Colorado > Rio Blanco County > Maps. Geology > Colorado > Garfield County > Maps.

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