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<br /> <br />- 7 - <br /> <br />Land Use.- <br /> <br />Present land use in the watershed is as follows: <br /> <br />Land Use <br /> <br />Subtotal <br /> <br />Acres Percent. <br />14,600 25.3 <br />1,000 1.7 <br />15,600 27.0 <br />13,700 24.0 <br />18, 100 31.0 <br />8,570 15.0 <br />40,370 70.0 <br />1,120 2.0 <br /> <br />Irrigated Cropland, Private <br />Irrigated Cropland, Indian <br />Sub to tal <br /> <br />Range and Forest Lands, Private <br />Range and Forest Lands, Indian <br />Range and Forest Lands, <br />National Forest <br /> <br />Navajo Recreation Area, U. S. <br />Bureau of Reclamation <br /> <br />Misce llaneous: <br />Roads, Railroads, Farmsteads, <br />and Communities <br /> <br />Total <br /> <br />640 <br />57,730 <br /> <br />1.0 <br />100.0 <br /> <br />Of the 15,600 acres classified as irrigated cropland in the <br />"atershed, 12,200 acres are served by the canals of the Pine River <br />Canal Company. The remaining irrigated cropland (about 3,400 acres) <br />\"ithin the watershed boundaries is served by the Spring Creek Ditch <br />Company and the Indian Canal. <br /> <br />Private and lndian-owned range and forested lands are used for <br />pasture in conjunction with the irrigated farms. <br /> <br />The National Forest land involved has been closed to grazing <br />for 5 years because of watershed restoration project installed on <br />Spring Creek. <br /> <br />Miscellaneous land use of about 640 acres includes roads, rail- <br />roads, farmsteads, and the communities of Tiffany, Allison, and <br />Arboles, Colorado. <br /> <br />Climate.- The principal source of moisture causing flood- <br />producing thunderstorms over the Pine River Watershed is precipita- <br />tion from warm, moist tropical gulf air. Convective-type <br />thunderstorms in the area.are characterized by very high rainfall <br />intensities of short duration occurring over limited areas. <br />