RI 4989 Investigation Of The Sunset Copper Mine Snohomish County, Wash. ? Introduction And Summary
- Organization:
- The National Institute for Occupational Safety and Health (NIOSH)
- Pages:
- 24
- File Size:
- 10621 KB
- Publication Date:
- Jan 1, 1953
Abstract
This report presents the factual data obtained by the Bureau of Mines during diamond-drilling investigation of the Sunset copper deposit in the Index mining district, Snohomish County, Wash. The Sunset mine, first produced copper ore in 1902, but its main period of activity was from 1923 through 1930, The mine has produced 263,500 tons of ore, from which 1,500 ounces of gold, 156,000 ounces of silver, and 12,912,000 bounds of copper-were recovered. The mine has, been idle since 1946
Citation
APA: (1953) RI 4989 Investigation Of The Sunset Copper Mine Snohomish County, Wash. ? Introduction And Summary
MLA: RI 4989 Investigation Of The Sunset Copper Mine Snohomish County, Wash. ? Introduction And Summary. The National Institute for Occupational Safety and Health (NIOSH), 1953.