U.S. Geological Survey-Missouri Geological Survey symposium : mineral-resource potential of the mid-continent : program and abstracts : St. Louis, Missouri, April 11-12, 1989 / edited by Walden P. Pratt and Martin B. Goldhaber

Published: Washington : Dept. of the Interior, U.S. Geological Survey : U.S. G.P.O. Denver, CO : Free application to the Books and Open-File Reports Section, U.S. Geological Survey, 1990.
Physical Description: viii, 42 pages : illustrations ; 28 cm.
Additional Creators: Pratt, Walden P., Goldhaber, Martin B., Geological Survey (U.S.), and Missouri. Geological Survey