Clay and shale resources of Indiana
By: by George S. Austin.
Series: Geological Survey bulletin ; 42-L; Geological Survey bulletin (Bloomington, Ind.) ;; 42-L.
Publisher: State of Indiana, Dept. of Natural Resources, Geological Survey
Published: 1975
Place of publication: Bloomington
Language: eng
Number of pages: 40
Subjects: Clay -- Indiana.; Shale -- Indiana.
Notes: Bibliography: p. 38-40.