00400nam 2202637 45000010005000000030023000050050009000280080041000370820008000780720019000860200018001051000022001232600017001452450035001626500019001976500016002162637StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 aMining Geology a0-471-83864-0 aWilliam C. Peters bWiley c1987 aExploration and minine geology aMining Geology aProspecting