Traprock

Author:	Bowles, Oliver,
Additional Authors:	Williams, Roger L.
Year:	1963
Document Type:	USBI
Issuing Agency:	U.S. Bureau of Mines,
SUDOC:	I 28.27:8184
Series:	Information circular / U.S. Bureau of Mines ;
Report Number:	no. 8184
Subjects:	Stone
	Stone, Crushed
Link:	https://hdl.handle.net/2027/mdp.39015077564113