Billings, Marland P. 1902- Structural geology / M. P. Billings - 3rd ed. - Englewood Cliffs, N.J. : Prentice-Hall. , 1972 - xiv, 606 p. : ill., plates, maps, part. fold. diagrs. (part. fold ) ; 25 cm. ISBN: 0138538468 Subjects--Topical Terms: Geology, Structural-------- Dewey Class. No.: 551.8