TY - BOOK AU - Pough, Frederick H. CN - QE367 CN - QE367 CY - Boston, DA - c1960. ID - 60239 KW - Mineralogy, Determinative. KW - Rocks. PB - Houghton Mifflin, PP - Boston, PY - c1960. T1 - A Field guide to rocks and minerals. TI - A Field guide to rocks and minerals. ER -