Carbonizing properties of Indiana County, Pa., coals /
by D.E. Wolfson, G.W. Birge, and B.W. Naugle.

APA Citation

Wolfson, D. E. (David E.)., Naugle, B. W. (Bruce W.)., Birge, G. W. (George W.). (1957). Carbonizing properties of Indiana County, Pa., coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines.

MLA Citation

Wolfson, D. E. (David E.), B. W. (Bruce W.) Naugle, and G. W. (George W.) Birge. Carbonizing Properties of Indiana County, Pa., Coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1957.