Crystalline rocks of the Potomac River Gorge near Washington, D.C. /
| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. G.P.O.,
1963.
|
| Series: | Contributions to general geology.
Shorter contributions to general geology. Geological Survey professional paper ; 414-H. |
| Subjects: |
| Item Description: | "A description of the rocks exposed in the gorge of the Potomac River below Great Falls, with a discussion of their structural and metamorphic history." |
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| Physical Description: | iii, 16 pages : illustrations, maps ; 29 cm. + 2 folded leaves in pocket. |
| Bibliography: | Includes bibliographical references (page 16). |