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<br /># <br /> <br />Numerous small tributaries were included in this study. The sec- <br />tions studied along these tributaries are generally less than 0.5 <br />mile. The stream channels are narrow and have slopes averaging <br />400 feet per mile. Two larger tributaries to the North Fork Big <br />Thompson River, West Creek and Devils Gulch, near Glen Haven were <br />also studied. West Creek and Devils Gulch have average channel <br />widths of 25 feet, and their slopes are 90 feet per mile and 400 <br />feet per mile, respectively. The soils along West Creek and Devils <br />Gulch are of the Haploborolls-Camborthids-Argiborolls Associations <br />(Reference 4). <br /> <br />. <br />i <br /> <br />Buckhorn Creek flows east and south through Larimer County and <br />joins the Big Thompson River approximately 5 miles west of Love- <br />land. Redstone Creek flows south on the east side of the Buckhorn <br />Creek basin and joins Buckhorn Creek at Masonville. Development <br />in the two basins is confined to those areas where the valley width <br />permits it, and consists mostly of farming units. The channel <br />slope of Buckhorn Creek in the studied section is approximately 58 <br />feet per mile, and the Redstone Creek channel slope averages approxi- <br />mately 185 feet per mile. Soils in the Buckhorn Creek and Redstone <br />Creek basins are of the Fluvaquents-Fluvents, Argiborolls-Rock <br />Outcrop, and Arguistolls-Haplustolls Associations (Reference 4). <br /> <br />Boxelder Creek flows in a southerly direction through Larimer County <br />past the west side of the Town of Wellington. Very little develop- <br />ment has occurred in the flood plain within the county. The Boxel- <br />der Creek watershed, approximately 32 miles long with an average <br />width of 8 miles, flows from an altitude of 7,720 feet at its head- <br />waters in Wyoming to 4,860 feet at its confluence with the Cache <br />La Poudre River. Geological formations exposed within the water- <br />shed consist of rocks and sediments ranging from Precambrian to <br />Quaternary in age, and the soils in the basin are of the Fluvaquents- <br />Fluvents and'Arguistolls-Haplustolls Associations (Reference 4). ' <br /> <br />.- <br /> <br />Dry Creek is a tributary of the Cache La Poudre River that flows <br />in a southeasterly direction, through Larimer County to its con- <br />fluence east of the City of Fort Collins. Development along the <br />stream consists of sparsely populated farm and range lands north <br />and east of Fort Collins. The channel is approximately 3 to 4 <br />feet deep and 10 to 15 feet wide through the lower part of the <br />study and 6 to 12 feet deep and 60 ,to 80 feet wide in the upstream <br />areas. The stream channel gradient within the section studied is <br />approximately 18 feet per mile. The soils within the Dry Creek <br />flood plain are of the Fluvaquents-Fluvents and OterO-Nelson Associ- <br />ations (Reference 4). <br /> <br />"" <br /> <br />Fish Creek flows north through Larimer County to its confluence <br />with the Big Thompson River at Lake Estes in the Town of Estes <br />Park. Fall River flows southeast through the county and joins the <br />Big Thompson River in Estes Park. The channels of both streams <br />are well defined and generally narrow, with cobble streambeds and <br /> <br />5 <br /> <br />- <br />