Methods and costs of sinking Bunker Hill and Sullivan Mining and Concentrating Company’s Crescent shaft
Loading...
Authors
Olds, Edward B
Issue Date
1955
Type
Thesis
Language
en_US
Keywords
Crescent Three-compartment Shaft , Crescent Mine , Shaft Sinking , Bunker Hill And Sullivan Mining And Concentrating Company , Crescent Shaft , Mackay Theses and Dissertations Grant Collection
Alternative Title
Abstract
This paper describes the methods and costs of deepening the Crescent three-compartment shaft from the 1,275 foot level to the 3,275 foot level. A noteworthy rate of advance was achieved by the use of mechanical mucking and an intermediate dump.
Description
Online access for this thesis was created in part with support from the Institute of Museum and Library Services (IMLS) administered by the Nevada State Library, Archives and Public Records through the Library Services and Technology Act (LSTA). To obtain a high quality image or document please contact the DeLaMare Library at https://unr.libanswers.com/ or call: 775-784-6945.
Citation
Publisher
University of Nevada, Reno
License
In Copyright(All Rights Reserved)