Method and cost of mining hematite at the Eureka-Asteroid mine on the Gogebic range, Gogebic county, Mich. / by O.M. Schaus
- Published
- [Washington, D.C.] : U.S. Dept. of Commerce, Bureau of Mines, 1930.
- Physical Description
- 13 pages : illustrations, plans ; 27 cm.
View MARC record | catkey: 9365433