A "red beds" type copper occurence, Wyoming county, Pennsylvania
By: by Robert D. Butler
Series: [Lehigh university] The Institute of research. Circular -- no. 145. Studies in science and technology, no 122; Circular (Lehigh University. Institute of Research) -- no. 145.; Circular (Lehigh University. Institute of Research) -- no. 122.; Circular (Lehigh University. Institute of Research) -- no. 145. Studies in science and technology, no 122.
Publisher: Lehigh University
Published: 1938
Place of publication: Bethlehem, Pa
Language: eng
Number of pages: 634
Subjects: Copper ores
Notes: Cover title.

At head of title: Lehigh university publications. vol. XII, no. 12. December 1938.

Reprinted from Economic geology, vol. XXXIII, no. 6, Sept.-Oct. 1938.