found: Dash, R.G. Evaluation of streamflow traveltime and streamflow gains and losses along the lower Purgatoire River, southeastern Colorado, 1984-92, 1997:t.p. (Purgatoire River, Colorado) p. 3 (maps, Purgatoire River)
found: GNIS, July 15, 1997(Purgatoire River; variant names, Las Animas, Picket-wire, Picketwire, Puratory River, Purgatory)
found: Lippincott(Purgatoire River, SE Colo.; informal spellings Picket Wire and Picketwire are sometimes used)
found: Rand McNally(Colorado map: Purgatoire River)
found: Web. geog.(Purgatoire River, S and SE Colorado, 186 m. long; rises in W Las Animas Co., flows NE into Arkansas River in Bent Co.)
found: PREMARC, July 15, 1997(hdg.: Purgatoire River)
found: GeoNames [algorithmically matched]stream; 38°03ʹ54ʺN 103°10ʹ37ʺW
