00647nam a2200145Ia 4500001001100000005001700011008004300028020002300071020002300094020002600117020002600143245027300169260004200442300001700484000001016820251012174735.0  970429s1973    enk           000 0 eng d  a0299063003 (cloth)  a0299063046 (paper)  a9780299063009 (cloth)  a9780299063047 (paper)04aThe Mineral Position of the United States, 1975-2000 :bproceedings of a symposium, Minneapolis, Minn., 15.11.1972., held at the (Joint) Annual Meeting of the Geological Society of America and Associated SocietescHrsg.: E. N. Cameron. Society of Econ omic Geologists.  aLondonbThe Univ. of Wisc. Prc1973.   aXVII, 159 S.