Field book of common rocks and minerals

by Frederic Brewster Loomis

GENERAL GEOLOGY

Down to Earth. By C. Croneis and W. C. Krumbein, 1936, University of Chicago Press. An introduction to geology, profusely illustrated.

Textbook of Geology Part I—Physical Geology. 4th Edition, by C. R. Longwell, A. Knopf, and R. F. Flint, 1939, John Wiley and Sons. A standard text on geology.

Field Geology. 4th Edition, by F. H. Lahee, 1941, McGraw-Hill Book Co. Recognition and interpretation of geologic structures and topographic forms as they are observed, and methods of geologic work.