TY - RPRT TI - Analytical results for samples of nonmagnetic heavy-mineral concentrates from the Tonopah 1° x 2° quadrangle, Nevada AU - D. F. Siems AU - M. L. Marchitti AU - J. T. Nash PY - 1986 DO - 10.3133/ofr86213 UR - https://pubs.usgs.gov/publication/ofr86213 ID - ofr86213 ER -