Tests of low-grade and complex ores in Colorado

Author: Coghill, William Hawes,
Additional Authors: Anderson, Carl Otto,
Year: 1923
Document Type: USBM
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.7:283
Series: Technical paper / United States Department of the Interior, Bureau of Mines ;
Report Number: 283
Subject: Ores--Colorado
Link: https://hdl.handle.net/2027/mdp.39015077568460

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