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,. Natural, reproducing populations are restricted to the Upper Colorado River Basin, and are most abundant in the Green River. Colorado squawfish were reported from the Green River as early as 1825, when Colonel W.H. Ashleg's party subsisted on the fish, caught by angling (Morgan 1964). Dellenbaugh (1908) reported the capture of squawfish during the 1871 Powell expedition, and Jordan (1891) reported the fish near Green River Ut in 1889.. Residents of Vernal, Utah, remarked about the former abundance of the fish in the Green River, which reached a documented 52 pounds, and one photograph of a large specimen from that area was presented by Vanicek (1967). Seethaler (1978) summarized interviews with local people in the Green River (Wyoming), Browns Park, and other areas, who reported specimens of 30 pounds from the upper Green River in Colorado and Wyoming. Seethaler (1978) also reported an interview with Mr. Rial Chew, who observed a Colorado squawfish 5.1/2 to 6 feet in length, caught just below the confluence of the Green and Yampa River in Dinosaur National Monument in 1911, and presented a photograph of a 25 pound adult taken in the same area in 1928. Mr. Chew also stated he caught several of the fish by hand during a flood event. Figure ~ presents a recently discovered photograph of a large specimen of unknown length, captured in the lower Yampa River in the 1930's, where Colorado squawfish were regularly captured (Burton. 1987). Older residents of Vernal, and surrounding areas, reported to the author that Colorado squawfish were captured in substantial numbers during periods of low flow or drought, when semi--isolated pools in the main river channel were haul-seined for that purpose. I also interviewed a fisherman who stated that he caught many "white salmon" in Flaming Gorge prior to 1960, and preferred to eat them in preference to any other fish. 11