Geologic map of the Shumla quadrangle, Val Verde County, Texas /
Main Author: | Freeman, Val L., 1926- |
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Corporate Author: | Geological Survey (U.S.) |
Format: | Government Document Map |
Language: | English |
Published: |
Washington, D.C. :
The Survey,
1964.
|
Series: | Miscellaneous geologic investigations ;
map I-424. |
Subjects: |