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Show ACKNOWLEDGMENTS This report was prepared as one of a series by the planning staff of the Division of Water Resources under the direction of James Q, Christensen. Those individuals more particularly responsible include: Ray A. Littlefield, Roland Palmer, Robert H. Foster, Alan E. Nugent, Gaylord W. Gneiting, Jerry B. Anderson, James G. Christensen, Douglas P. Sibley, Patricia A. Cherrington, and Ronald W. Garner, all of whom were involved in field mapping and dot counting; Gary R. Baker and Ross M. Egbert for the text and water related land use maps and Abby Eldredge for the drafting. THE WEST COLORADO HYDROLOGIC AREA The West Colorado Hydrologic Area as shown on the preface map is located in southeastern Utah and includes the area drained by the Green River and its tributaries from the confluence of the Price River south, and the area drained by the Colorado River and its tributaries ( except the San Juan River) from the confluence with the Green River to the Arizona state line. This area is bounded on the north by the Roan Cliffs, on the west by the Wasatch, Awapa and Aquarius Plateaus, on the south by the Arizona state line and on the east by the Upper Colorado River ( north of the confluence with the Green River) and San Juan River drainages. As figure 1 shows this areas includes all of Wayne County, large portions of Carbon, Emery, Sevier, Garfield, Kane, Grand, and San Juan counties, and smaller portions of Sanpete, Utah, Wasatch, and Duchesne counties. This report includes a series of maps showing water related features, a brief text explaining them, and water related land use data shown in tables and on detailed maps. The first series of maps are not originals but were reproduced wholly or in part from other sources. The preparation of the land use tables and 0 maps is explained in some detail in the section titled " Water Related Land Use in the West Colorado Hydrologic Area". Landforms The West Colorado Hydrologic Area lies entirely within the Colorado Plateau physiographic province. The principal landforms include the High Plateaus, and the area known as Canyonlands. The high plateaus, oriented in a north- south direction, generally rise to about 11,000 feet above sea level. They are characterized by steep cliffs that often descend 5,000 to 6,000 feet on the east side. These plateaus are usually |