Geochemical data and sample locality maps for stream-sediment and heavy-mineral-concentrate samples, and mineralogical data of nonmagnetic, heavy-mineral-concentrate samples, collected near five cinnabar-stibnite mineral occurrences in the Kuskokwim River region, southwestern Alaska - Gray, J.; Detra, D.E.; Eppinger, Robert; Hill, R.; Slaughter, K.; Sutley, S. (Open-File Report, 1990)