Technology and Uses of Silica and Sand

Author:	Weigel, W. M.
Year:	1927
Document Type:	N/A
SUDOC:	C 22.3:266
Series:	United States Bureau of Mines Reports
Report Number:	Bulletin 266
Subjects:	Silica.
	Sand.
Link:	http://digital.library.unt.edu/ark:/67531/metadc38769/