TY - BOOK AU - Longwell, Chester R. AU - Knopf, Adolph AU - Flint, Richard F. TI - A textbook of geology: Part 1: Physical geology U1 - 551 DDC 21 PY - 1932/// CY - New York PB - Jhon wiley & sons, inc KW - Geology KW - Geophysics ER -