Clays and shales of Indiana,
Harrison, Jack Lamar, 1927-
Clays and shales of Indiana, by Jack L. Harrison and Haydn H. Murray. - Bloomington [Indiana Geological Survey] 1964. - 40 p. illus., map.
"Mineralogic, ceramic, and chemical analyses of selected samples": fold. leaf, in pocket.
Bibliography: p. 38-40.
gs 66000156
Clay--Indiana.
Shale--Indiana.
QE109 / .A32 no. 31
Clays and shales of Indiana, by Jack L. Harrison and Haydn H. Murray. - Bloomington [Indiana Geological Survey] 1964. - 40 p. illus., map.
"Mineralogic, ceramic, and chemical analyses of selected samples": fold. leaf, in pocket.
Bibliography: p. 38-40.
gs 66000156
Clay--Indiana.
Shale--Indiana.
QE109 / .A32 no. 31