Investigation of the Benjamin Franklin graphite mine (government owned) and the Just graphite mine, Chester County, Pa. /
by Robert S. Sanford and Frank D. Lamb.

Description

Main Author

Sanford, Robert S.

Related Names

Lamb, F. D. (Frank D.)

Language(s)

English

Published

[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, [1949]

Subjects

Graphite industry > Graphite industry / Pennsylvania > Graphite industry / Pennsylvania / Chester County.
Graphite > Graphite / Pennsylvania > Graphite / Pennsylvania / Chester County.

Note

"September 1949."
Cover title.

Physical Description

17 p., 3 leaves of plates : ill., map ; 27 cm.

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