Heylmun, E.B., 1995, The Plomosa placers, Arizona: International California Mining Journal, v. 65, no. 1, p. 12-14. Authors Heylmun, E.B. Publication Date 1995 Citation International California Mining Journal, v. 65, no. 1, p. 12-14. State AZ Province BR County PL Placenames La Posa Plain Keywords History Production Placer Gold More Keywords History, Production, Placer, Gold, AzGeoBib RefNum 14380