TY - BOOK AU - Ludman,Allan AU - Marshak,Stephen TI - Laboratory manual for introductory geology SN - 9780393913286 (pbk.) AV - QE28.L912 2012 .L912 2012 PY - 2012/// CY - New York PB - W.W. Norton KW - Geology KW - Study and teaching KW - Problems, exercises, etc KW - fast KW - Problems and exercises ER -