Contributions to economic geology, 1906
Subtitle: part 1 - metals and nonmetals, except fuels
By: S. F. Emmons and E. C. Eckel.
Contributors: S. F. Emmons.; E. C. Eckel.
Series: U.S. Geological Survey bulletin -- 315
Publisher: s.n
Published: 1907
Place of publication: S.l
Language: eng
Number of pages: 505
Notes: 1