IC 7101 Mining And Milling Methods And Costs In The Alma District, Colorado ? Introduction
- Organization:
- The National Institute for Occupational Safety and Health (NIOSH)
- Pages:
- 82
- File Size:
- 33021 KB
- Publication Date:
- Jan 1, 1940
Abstract
This paper is one of a series published by the Bureau of Mines on mining and milling methods and costs. It describes operations in the Alma district of Colorado in September 1937, supplemented by some additional data collected in July 1938. ACKNOWLEDGMENTS The author wishes to express his appreciation of the friendly cooperation extended him by the mine operators in the district. The greater part of the information was obtained from mine and mill superintendents to whom individual acknowledgment is made in the text.
Citation
APA: (1940) IC 7101 Mining And Milling Methods And Costs In The Alma District, Colorado ? Introduction
MLA: IC 7101 Mining And Milling Methods And Costs In The Alma District, Colorado ? Introduction. The National Institute for Occupational Safety and Health (NIOSH), 1940.