IC 7164 Mining Methods And Costs Of The Lava Cap Gold Mining Corporation, Nevada City, Calif. ? Introduction

- Organization:
- The National Institute for Occupational Safety and Health (NIOSH)
- Pages:
- 36
- File Size:
- 2204 KB
- Publication Date:
- Jan 1, 1941
Abstract
The property of the lava Cap Gold: Mining Corporation is in the Nevada City-Grass Valley mining district about 5 miles east of Crass Valley, Calif. At present (July 1940) the plant is mining end milling about 390 tons of gold-silver ore a day; about 310 men are employed. This paper describes the mining methods used and presents mining costs for 1939, when 60,704 tons were mined by cut-and-fill stoping and 55,676 tons by square-setting.
Citation
APA:
(1941) IC 7164 Mining Methods And Costs Of The Lava Cap Gold Mining Corporation, Nevada City, Calif. ? IntroductionMLA: IC 7164 Mining Methods And Costs Of The Lava Cap Gold Mining Corporation, Nevada City, Calif. ? Introduction. The National Institute for Occupational Safety and Health (NIOSH), 1941.