TY - RPRT TI - Distribution of titanium in heavy-mineral-concentrate samples from the Charlotte 1° x 2° quadrangle, North Carolina and South Carolina AU - K.A. Duttweiler AU - Theodore Botinelly AU - W. R. Griffitts AU - J. W. Whitlow PY - 1985 DO - 10.3133/ofr84843k UR - https://pubs.usgs.gov/publication/ofr84843K ID - ofr84843K ER -