Gilluly, James, 1896- Principles of geology / by James Gilluly, A. C. Waters and A. O. Woodford ; drawings by Robert R. Compton and Evan L. Gillespie - 2nd ed. - viii, 534 páginas : ilustraciones, mapas - A series of geology texts . Subjects--Topical Terms: Geología LC Class. No.: QE26 / G5 1960