Outlines of physical geology, by Chester R. Longwell ... Adolph Knopf ... [and] Richard F. Flint ... Physical geology. Longwell, Chester R. (Chester Ray), 1887-1975. Knopf, Adolph, 1882- [from old catalog] joint author. Flint, Richard Foster, 1902- joint author. Geology. QE26 .T42 1941 550 LOO New York, J. Wiley & sons, inc.; London, Chapman & Hall, limited, 1941. 1941. 1941 Text ix, 381 p. incl. front., illus., tables. diagrs. eng