Labels:audio cd | book | cat | compact disk | person | poster OCR: EUSGS science for a changing worid The Life Cycle of a Mineral Deposit A Teacher's Guide for Hands On Mineral Education Activities ByDave Frank, John Galloway, and Ken Assmus Generall Information Product17 2005 U.S. Department of the Interior U.S. Geol logical Survey USGS Dave General Departmeni Geological
