Mineralogy and chemistry of bentonite, southern California, Riverside District
By:  by Andrew J. Regis (Bureau of Land Management, Denver Service Center)
Contributors: United States.   Bureau of Land Management.   Denver Service Center
Publisher: s.n.
Published: 1977
Place of publication: S.l
Language: eng
Number of pages: 13
Subjects: Bentonite; Mines and mineral resources; United States.   Bureau of Land Management.   Riverside District; United States
Notes: Cover title.

"November 1977."