GRIM (Ralph Early). The Mica in argillaceous sediments. By R.E.Grim, R.H.Bra.y and W.F.Bradley. Urbana, 1937. See ILLINOIS, State of. Department of Registration and Education. Division of the State Geological Survey. Report of Investigations.] 44.

Author

GRIM, Ralph Early

Language

en

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GRIM - GROG