Analytical data on reference clay materials
By: by Paul F. Kerr [and others]
Contributors: American Petroleum Institute. Project 49, Clay Mineral Standards; California Research Corporation
Series: Preliminary report (American Petroleum Institute. Project 49, Clay Mineral Standards) -- no. 7; Preliminary report (American Petroleum Institute. Project 49, Clay Mineral Standards) -- no. 7.
Publisher: Columbia University
Published: 1950
Place of publication: New York
Language: eng
Number of pages: 160
Copyright date: 1950
Subjects: Clay minerals; Clay; Analysis
Other titles: Analytical data on reference clay minerals; Reference clay materials; Reference clay minerals
Notes: At head of title: American Petroleum Institute, Project 49, Clay Mineral Standards.

On cover: California Research Corporation [and others].

"July, 1950."

Includes bibliographical references.