Configuration of the bedrock surface of the District of Columbia and vicinity / This report embodies subsurface data of interest to engineers and builders compiled from 1890 to 1940.
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: | Washington : U. S. Govt. Print. Off, 1950. |
| Series: | Geological Survey professional paper ;
217. |
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| Physical Description: | 42 pages : illustrations, maps (part color, 4 in pocket) ; 29 cm. |
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| FOLIO Link: | View instance in FOLIO |