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<br />C <br />C:-) <br />.... <br />N <br />en <br />00 <br /> <br />OIMARRON RIVER BASIN <br /> <br />The Cimarron River rises in northeastern New Mexico and flows <br />in a general easterly to southeasterly direction about 700 miles to <br />Join the Arkansas River about 17 miles above Tulsa, Oklahoma. Through <br />IIII1ch of its length the channel occupies most of the floodplain. The <br />total drainage area is 18,900 square miles. <br /> <br />In Bew Mexico the C:l.IIII.rron River flovs through the rugged foothills <br />of shale and sandstone bedrock. This section is called the Dry C1Iarron <br />to dietinguish it fram another Cimarron River, a tributary of the CA....cUIl.D. <br />River. It uerges into the High Plains through a C&II1On cut into- the sand- <br />stone formatione near Boise City, Oklahoma. ~e drainage area in Bew <br />Mexico is about 900 square miles. <br /> <br />In the mountaine near the source of the stream the average aDDual <br />precipitation eltceeds 20 inches, but is less than 18 inches from the Hew <br />Mex1co-oklahoma state line to the vicinity of the stre8lll's first entry into <br />Kansas, from which point the ra1Df'all increases gradually and nearly un11'o1'lllly <br />toward the east to about 38 inches annually at the mouth. At the Kenton dam <br />s1 te, above Boise Oi ty, the mean aDDual flow for the period 1921-49 is <br />estimated as ~,200 acre-feet, ranging fram 4,360 acre-feet in 1934 to <br />224,400 acre-feet in 1941. Ra1n:fall at Kenton, Oklahoma, shows 'that the <br />annual precipitation averaged 18.4 inches tor the period of d1scbarge record <br />193849, 16.6 inches tor the period including d1scharge est:lJllates 1921-49, <br />and 16.8 inches for the period of precipitation record 1901.....9. The m1n1IIIuIII <br />calendar year precipitation of 9.2 inches occurred in 1935. <br /> <br />Above Boise City there are several diversions, particularly in the <br />Black Mesa area, and near Folsom, Bew Menco, where about 7,000 acres <br />are irrigated. The IIIOst dovnstream diversion of the flows of the C1marron <br />River for irrigation at present is into Settlers Ditch in the vicinity <br />of Englewood. <br /> <br />Bear Boise City the river swings toward the northeast through the <br />southeastern corner of Colorado into Kansas, then turns and re~nters <br />Oklahoma near Englewood, Kansas. ~ougbout this reach the river flows <br />over the unconsolidated sands and gravels of the High Plains province <br />and is alternately a gaining and losing stream, and in the losing sec- <br />tions the c-h..nn"l III!LY' be dry most at the time. This lI1tuation is <br />governed primarily by the relation of the level at the stream channel <br />to the level of the water table in the upland areas adjacent to the <br />river. <br /> <br />2-4 <br /> <br /> <br />~ <br />o <br /> <br /> <br />\ <br /> <br />