Ochers and mineral pigments of Pacific Northwest : occurrence, possible methods of preparation, and testing of ochers, siennas, and colored clays.

Bibliographic Details

Other Authors:	Wilson, Hewitt
Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. Government Printing Office, 1929.
Series:	Mines Bur. Bull. No. 304
Subjects:	Clay. Electronic books.
Online Access:	Connect to the full text of this electronic document