Balk, Robert, 1899- Structural behavior of igneous rocks (with special reference to inte rpretation by H. Cloos and collaborators) / Robert Balk - New York : Geological society of America , 1959 - x, 177p : ill. ; 24cm - Geological society of Amerca; memoir 5 . Subjects--Topical Terms: Rocks, igneous--------Geology, structural-------- Dewey Class. No.: 552.1 BAL