The bleaching clays
By: by P.G. Nutting
Contributors: Geological Survey (U.S.)
Series: Circular - Geological Survey -- 3,; Circular (Geological Survey (U.S.)) -- 3.
Publisher: U.S. Department of the Interior, Geological Survey
Published: 1933
Place of publication: Washington
Language: eng
Number of pages: 51
Subjects: Bleaching materials; Clay minerals; Fuller's earth
Notes: Includes bibliographical references.