Geologic map of the Langtry quadrangle, Val Verde County, Texas /

Bibliographic Details
Main Author: Freeman, Val L., 1926-
Corporate Author: Geological Survey (U.S.)
Format: Government Document Map
Language:English
Published: Washington, D.C. : Interior--Geological Survey, 1964.
Series:Miscellaneous geologic investigations ; map I-422.
Subjects:

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