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<br />1201 <br /> <br />" <br /> <br />fish species: the humpback chub and Colorado squawfish are presently on the <br />list with the bony tail chub and humpback sucker proposed. The Green River, <br />regulated by Flaming Gorge Dam, has lost its chance to be self-cleaning and <br />tamarisk is rapidly invading the shoreline. Modification of water quality <br />parameters in the Green has resulted in the extirpation of endangered species <br />while providing suitable habitat for game fish such as trout. <br /> <br />Because of its narrow and unusual configuration, Dinosaur National Monument <br />is not an ecologically manageable unit. Problems and management actions <br />on adjacent private and BLM lands also affect Dinosaur, making natural-area <br />management an extremely difficult process. Examples of these problems <br />include management of contiguous (BLM and NPS) grazing allotments, the <br />Mormon cricket infestation, feral horses, and alleged livestock predation. <br /> <br />Three state planning commissions and one regional commission in Colorado <br />exist near the monument. These are Uinta Basin and Daggett in Utah, <br />Moffat in Colorado and the Club 20 in Colorado. ~ll are basically <br />interested in energy-related development and increased recreational <br />opportunities. <br /> <br />The National Park Service must coordinate planning efforts with two districts <br />of the Bureau of Land Management, and with the United States Forest Service, <br />United States Fish and Wildlife Service, and the Bureau of Reclamation who <br />administer federal lands in the immediate region. <br /> <br />The weather in the region is usually quite moderate. The temperature <br />at times in the summer reaches 1000; however, the nighttime temperatures <br />are considerably cooler and comfortable. During the winter it can be as <br />low as _300, but the days are generally sunny and bright. Annual average <br />precipitation is 11.6 inches at headquarters. January through March are <br />the driest months and April through June are the wettest months. Snowfall <br />is generally light, but accumulations cover the ground during most of <br />the winter months. In higher elevations, snow and drifting conditions <br />keep roads closed in the monument from December to March. <br /> <br />C. Within Monument Influences <br /> <br />The large majority of visitors to Dinosaur National Monument confine them- <br />selves to developed facilities such as the quarry area complex, automobile <br />campgrounds and picnic areas, paved roads and overlooks, and a few short <br />trails. The backcountry, except for the rivers, is little used. Back- <br />packing is not popular, probably due to the absence of identified trails, <br />high summer temperatures and a shortage of water sources. Snowmobile access <br />is provided to BLM lands. Mountain climbing is rare. White-water boating <br />draws only about 3 percent of the monument visitors, but accounted for 37 <br />percent of all visitor hours in 1972. Dinosaur has a defined travel season, <br />April through October, with peak visitation from Memorial Day to Labor Day. <br /> <br />, <br /> <br />SFM-7 <br />