Shaft-sinking methods and costs at the T.L. Shaft, Eureka Corp., Eureka, Nev.

Author: Johnson, A. C.
Year: 1958
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7835
Series: Information circular / United States. Bureau of Mines. ;
Report Number: 7835.
Subject: Shaft sinking--Nevada--Costs
Link: https://hdl.handle.net/2027/mdp.39015078454017

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