(1) Elements of the petrographic study of bonding clays and of the clay substance of molding sands /

Bibliographic Details
Main Author: Grim, Ralph E. (Ralph Early), 1902-
Other Authors: Schubert, Carl Edward, 1899-, Rowland, Richards A.
Format: Book
Language:English
Published: Urbana, Ill., [publisher not identified] ; 1940.
Series:Report of investigations (Illinois State Geological Survey) ; no. 69.
Subjects:
Description
Item Description:At head of title: State of Illinois ... Department of registration and education ... Division of the State geological survey ...
"Reprinted from the Transactions of the American foundrymen's association, volume47, number4, pp.895-908, 935-953; vol.48, number1, pp.211-224, 1940."
Physical Description:32 pages : illustrations
Bibliography:Bibliography: page 32.