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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Bibliographic Details
Main Author: Darton, Nelson Horatio, 1865-1948.
Format: Book
Language:English
Published:Washington : U. S. Govt. Print. Off, 1950.
Series:Geological Survey professional paper ; 217.
Subjects:
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