00302nam a2200097Ia 4500008004100000040002500041082001700066100002100083245005000104260005000154240215s9999    xx            000 0 und d  aNORSU-DumcNORSU-Dum  a549/P23/1957  aParks, Roland D. 0aExamination and Valuation of Mineral Property  bAddison Wesley Publishing Company, Inc.c1957