Sinking no. 3 shaft at Westvaco Trona mine, Intermountain Chemical Co., Sweetwater County, Wyo.

Author:	Wideman, F. L.
Additional Authors:	Berry, T., Romano, C. A.
Year:	1959
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7914
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	7914
Subjects:	Coal mines and mining--Wyoming
	Shaft sinking--Wyoming
Link:	https://hdl.handle.net/2027/mdp.39015078454421