Contour map of the base of saprolite, Montgomery County, Maryland /
| Main Author: | |
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| Corporate Author: | |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
The Survey,
1975.
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| Series: | Miscellaneous investigations series (Geological Survey (U.S.)) ;
map I-920-C. |
| Subjects: |
| Item Description: | Relief shown by contours and spot heights. "Contour interval 20 feet." Includes location map, cross-section and text. Cartographic material. |
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| Physical Description: | 1 map ; 84 x 92 cm., folded in envelope 30 x 24 cm. |
| Bibliography: | Includes bibliographical references. |