Configuration of the bedrock surface of the District of Columbia and vicinity.
Darton, Nelson Horatio, 1865-1948.
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. - Washington : U.S. Govt. Print. Off., 1950. - 42 p. : ill., maps (part col., 4 in pocket) ; 29 cm.
gs 52000105
Petrology--Washington (D.C.)
Physical geography--Washington (D.C.)
Borings--Washington (D.C.)
QE75 / .P9 no. 217
552
I 19.16:217
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. - Washington : U.S. Govt. Print. Off., 1950. - 42 p. : ill., maps (part col., 4 in pocket) ; 29 cm.
gs 52000105
Petrology--Washington (D.C.)
Physical geography--Washington (D.C.)
Borings--Washington (D.C.)
QE75 / .P9 no. 217
552
I 19.16:217