The mica in argillaceous sediments,
Grim, Ralph E. 1902-
The mica in argillaceous sediments, by R. E. Grim, R. H. Bray and W. F. Bradley. - Urbana, Printed by authority of the state of Illinois, 1937. - 813-829 p. illus.
At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey. "Reprinted from the American Mineralogist, v. 22, no. 7, pp. 813-829, July, 1937."
gs 37000321
Mica.
TN933 / .G75
The mica in argillaceous sediments, by R. E. Grim, R. H. Bray and W. F. Bradley. - Urbana, Printed by authority of the state of Illinois, 1937. - 813-829 p. illus.
At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey. "Reprinted from the American Mineralogist, v. 22, no. 7, pp. 813-829, July, 1937."
gs 37000321
Mica.
TN933 / .G75