TY - RPRT TI - Distribution of cobalt in heavy-mineral-concentrate samples from the Charlotte 1° x 2° quadrangle, North Carolina and South Carolina AU - W. R. Griffitts AU - J. W. Whitlow AU - D. F. Siems AU - K.A. Duttweiler AU - J. D. Hoffman PY - 1984 DO - 10.3133/ofr84843l UR - https://pubs.usgs.gov/publication/ofr84843L ID - ofr84843L ER -