Configuration of the bedrock surface of the District of Columbia and vicinity. /

Bibliographic Details
Main Author:	Darton, Nelson Horatio, 1865-1948
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1950.
Series:	Professional paper (Geological Survey (U.S.)) ; 217.
Subjects:	Petrology > Washington (D.C.) Physical geography > Washington (D.C.) Borings > Washington (D.C.)

by Darton, Nelson Horatio, 1865-1948
Published 1950

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