Bedrock geology of the Evitts Creek and Pattersons Creek quadrangles, Maryland, Pennsylvania, and West Virginia,
De Witt, Wallace, 1920-
Bedrock geology of the Evitts Creek and Pattersons Creek quadrangles, Maryland, Pennsylvania, and West Virginia, by Wallace De Witt, Jr., and George W. Colton. - Washington, U.S. Govt. Print. Off., 1964. - iv, 90 p. illus., maps (2 col.) 24 cm.
Part of illustrative matter fold. in pocket. "Prepared partly in cooperation with the Maryland Department of Geology, Mines, and Water Resources."
Bibliography: p. 84-86.
gs 65000184
Geology--Maryland
Geology--Pennsylvania
Geology--West Virginia
QE75 / .B9 no. 1173
Bedrock geology of the Evitts Creek and Pattersons Creek quadrangles, Maryland, Pennsylvania, and West Virginia, by Wallace De Witt, Jr., and George W. Colton. - Washington, U.S. Govt. Print. Off., 1964. - iv, 90 p. illus., maps (2 col.) 24 cm.
Part of illustrative matter fold. in pocket. "Prepared partly in cooperation with the Maryland Department of Geology, Mines, and Water Resources."
Bibliography: p. 84-86.
gs 65000184
Geology--Maryland
Geology--Pennsylvania
Geology--West Virginia
QE75 / .B9 no. 1173