TY - RPRT TI - Analytical results and sample locality map for heavy-mineral-concentrate samples from the Lower Gila Box Wilderness Study Area (NM-030-023), Grant and Hildago counties, New Mexico AU - H. N. Barton AU - G.W. Day PY - 1987 DO - 10.3133/ofr87294 UR - https://pubs.usgs.gov/publication/ofr87294 ID - ofr87294 ER -