Clay mineralogy, fabric, and industrial uses of the shale of the Decorah formation, southeastern Minnesota
By: Walter E. Parham and George S. Austin.
Contributors: Austin, George S.
Series: Report of investigations -- 10; Report of investigations (Minnesota Geological Survey) -- 10.
Publisher: University of Minnesota
Published: 1969
Place of publication: Minneapolis
Language: eng
Number of pages: 32
Subjects: Clay -- Minnesota.; Clay -- Analysis.
Notes: Cover title.

Includes bibliographical references.