Mining limestone by a caving method at Crestmore Mine of the Riverside Cement Co., Crestmore, Calif.

Author:	Robotham, C. A.
Year:	1934
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:6795
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	6795
Subjects:	Limestone industry--California
	Limestone--California
Link:	https://hdl.handle.net/2027/mdp.39015077569161