found: Work cat.: Sheedy, Valerie E. Surficial geology and sediment provenance, 2003:p. 7 (Antelope Flat; "Antelope Flat is located in central Custer County ... in the northeastern corner of the Basin and Range province.")
found: GNIS, Aug. 1, 2006(Antelope Flat, flat; Custer County, Idaho; 44⁰18ʹ40ʺN, 114⁰03ʹ48ʺW)
found: Idaho atlas & gazetteer, 4th ed., c2001:p. 45 (Antelope Flat)
found: OCLC, Aug. 1, 2006(usage: Antelope Flat)
notfound: Getty, Aug. 1, 2006;Idaho Place Names Origins, Aug. 1, 2006
