TY - RPRT TI - Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples from the Trigo Mountain Wilderness Study Area (AZ-050-023B), La Paz County, Arizona AU - J. H. Bullock AU - R. B. Vaughn AU - D. B. Smith AU - E. P. Welsch AU - D.L. Fey PY - 1989 DO - 10.3133/ofr89472 UR - https://pubs.usgs.gov/publication/ofr89472 ID - ofr89472 ER -