00692nam a2200217Ia 4500 131103s9999 xx 000 0 und d Loreto College English 551.3/PIR LCLIB/23,859 Pirsson , Louis V Rocks and rock minerals by Louis V . Pirsson 3rd ed. New York John Willey [1946] vii , 349p 32 p. of plate ill. figures , tables 10cm Fourth printing 1949 Geology Geology , Hydrology , Meteorology - Surface and exogenous processes and their agents Knoph , Adolph ,ed. LCLIB/551.3/PIR BK 299 50778 0 0 0 0 MAIN MAIN 2013-11-04 0 551.3/PIR LCLIB/23,859 B309 2013-11-04 2013-11-04 BK