Milling methods and costs at the Hillside Fluorspar mines, Rosiclare, Ill

Main Author: Reeder, Edwin C.
Other Authors: United States. Bureau of Mines.
Format: Book
Language: English
Published: Washington, D.C. : U.S. Dept. of Commerce, Bureau of Mines, 1932.
Physical Description: 20 pages : illustrations ; 27 cm.
Series: Information circular (United States. Bureau of Mines) ; 6621.
Subjects: