Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania,
Butts, Charles, 1863-1946.
Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania, by Charles Butts and Elwood S. Moore. - Washington, U.S. Govt. Print. Off., 1936. - vi, 111 p. incl. maps, tables. 12 pl. (incl. fold. col. map, fold. col. profile, fold. diagr.; in pocket) on 8 l. 23 cm.
At head of title: United States Department of the Interior.
Bibliographical foot-notes.
gs 36000084
Geology--Pennsylvania--Centre County.
Mines and mineral resources--Pennsylvania--Centre County.
QE75 / .B9 no. 855
Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania, by Charles Butts and Elwood S. Moore. - Washington, U.S. Govt. Print. Off., 1936. - vi, 111 p. incl. maps, tables. 12 pl. (incl. fold. col. map, fold. col. profile, fold. diagr.; in pocket) on 8 l. 23 cm.
At head of title: United States Department of the Interior.
Bibliographical foot-notes.
gs 36000084
Geology--Pennsylvania--Centre County.
Mines and mineral resources--Pennsylvania--Centre County.
QE75 / .B9 no. 855