TY - RPRT TI - Maps showing areas of significant metallic mineral-resource potential in the Rolla 1° x 2° quadrangle, Missouri, as appraised in September 1980 AU - W. P. Pratt AU - R. L. Erickson AU - E. B. Kisvarsanyi AU - H. M. Wharton PY - 1984 DO - 10.3133/mf1005a UR - https://pubs.usgs.gov/publication/mf1005A ID - mf1005A ER -