Report on the lands of the arid region of the United States, with a more detailed account of the lands of Utah

by John Wesley Powell; Willis Drummond; Clarence E. Dutton; Grove Karl Gilbert; A. H. Thompson

• Negundo aceroides, [103]
• Nevada, Mean annual precipitation in, [79]
• New Mexico and Arizona, Seasonal precipitation in, [56]
• New Orleans and Nashville Railroad Company, Land grants to the, [168]
• New York, Rainfall of the State of, [70]

• Ogden River, Measured volume of the, [120]
• Ohio, Land grants to, [166], [167]
• Ohio Valley, Rainfall of the, [70]
• Orographic structure of the Book Cliffs, [98]
• Colorado drainage area, [95]
• Desert drainage area, [95]
• Uinta Mountains, [97]
• Wasatch Mountains, [96]

• Pacific coast, Seasonal precipitation and temperature of the, [55]
• Panguitch Valley, Amount of irrigable land in, [136]
• Paria River, Irrigable lands of the, [155]
• Volume of flow of the, [155]
• Park, Dr. John R., [59]
• Pasturage farms, Division lines of, [22], [28], [37]
• Irrigation of, [21]
• need small tracts of irrigable land, [21], [28]
• lands, [19], [24], [104]
• Pasturage lands, Boundaries of, [19]
• Disposal of, [28]
• Extent of, [19]
• Farm unit for, [21], [28]
• Fencing of, [23]
• Grasses of the, [19]
• Monopoly of the, [22]
• partially supplied by scattered springs, [21]
• Situation of the, [6]
• Phragmites communis, [109]
• Pinus aristata, [100]
• edulis, [100]
• flexilis, [100]
• monticola, [100]
• ponderosa, [100]
• Pioneers, Enterprise and industries of, [41]
• Plateaus, The High, [94]
• Plateau, Tavaputs, [93]
• Yampa, [105]
• Poas, [108]
• Ponding, [12], [13]
• Ponds, Evaporation of the water of, [73]
• Populus angustifolia, [102]
• monilifera, [102]
• tremuloides, [102]
• Precipitation in the Region of the Plains, [52]
• Mean annual, in Colorado, [79]
• Nevada, [79]
• Utah, [79]
• Wyoming, [79]
• north of the Columbia River, [1]
• of Dakota, [51]
• Texas, [50]
• the Arid Region, [48]
• Region of the Lower Columbia, [49]
• San Francisco Region, [49]
• Sub-humid Region, [47]
• Precipitation, Seasonal, of the Pacific Coast, [55]
• Price River, Irrigable lands of the, [159]
• Volume of flow of the, [159]
• Provo River, [121]
• Public lands, How to acquire title to, [25]

• Quercus undulata, [103]

• Railroads, Land grants in aid of, [165], [168], [172]
• Rainfall, Areal distribution of, [82]
• Conditions affecting the distribution of, [90]
• Rainfall, Distribution of, throughout the year, [50]
• Increase of, [91]
• of the Arid Region, [5], [48]
• belt between Great Salt Lake and Wasatch Mountains, [6], [79]
• Sub-humid Region, [4], [47]
• of the western portion of the United States, [46]
• Rain gauge records, [1], [3], [91], [131]
• Deficiency of, [1]
• “Rainy seasons”, [25], [50]
• Ranges, Basin, [94]
• Records, Rain gauge, [1], [3], [91], [131]
• Region of the Lower Columbia. (See [Lower Columbia Region].)
• of the Plains, Seasonal precipitation in the, [52]
• San Francisco. (See [San Francisco Region].)
• Sub-humid. (See [Sub-humid Region].)
• Renshawe, Mr. J. H., [113], [153]
• Reservoirs, [12], [13], [85], [144]
• River, Bear. (See [Bear River].)
• Colorado. (See [Colorado River].)
• Duchesne. (See [Duchesne River].)
• Escalante. (See [Escalante River].)
• Fremont. (See [Fremont River].)
• Grand. (See [Grand River].)
• Green. (See [Green River].)
• Gunnison. (See [Gunnison River].)
• Jordan. (See [Jordan River].)
• Ogden. (See [Ogden River].)
• Paria. (See [Paria River].)
• Price. (See [Price River].)
• Provo. (See [Provo River].)
• San Rafael. (See [San Rafael River].)
• Sevier. (See [Sevier River].)
• Uinta. (See [Uinta River].)
• Virgin. (See [Virgin River].)
• Weber. (See [Weber River].)
• White. (See [White River].)
• Rivers, Land grants in aid of improvement of, [169]
• Rockwood, Hon. A. P., [113]

• San Francisco Region, Mean temperature, by seasons, of the, [54]
• Precipitation of the, [49]
• Rainy season of the, [54]
• Seasonal precipitation in the, [53]
• San Pete Valley, Amount of irrigable land in the, [138]
• Flow of the streams of the, [138]
• San Rafael River, Irrigable lands of the, [158], [159]
• Tributaries of the, [158]
• San Rafael River, Volume of flow of the, [159]
• Schott, Mr. Charles A., [46], [69]
• Seasonal precipitation and temperatures on the Pacific coast, [55]
• in Arizona and New Mexico, [56]
• Seasonal precipitation in the Region of the Plains, [52]
• San Francisco Region, [53]
• Selection of irrigable lands, [87]
• Sevier Lake Basin, [94]
• District, [94]
• Altitudes in the, [133]
• Amount of irrigable land in the, [106], [143]
• Climate of the, [131]
• Description of the, [106]
• Irrigable lands of the, [134]
• Physical characteristics of the, [130]
• Rainfall of the, [131]
• Rain gauge records of the, [131]
• River, Course of the, [129]
• Volume of flow of the, [139], [140]
• Irrigable lands of the valley of the, [128]
• Valley of the, [129]
• Sierra La Sal, [105]
• Sioux City and Pacific Railroad Company, Land grants to the, [177]
• Smithsonian Tables of Precipitation, [46], [69]
• Soil and subsoil, Complicating conditions of, [83]
• Conditions of, [82]
• Soils, [145]
• Southern Pacific Railroad Company, Land grants to the, [179]
• Springs, Opening out of, [74]
• Use of, in irrigation, [9]
• Stansbury, Captain Howard, [64], [65], [66]
• Island, [67]
• bar, [64], [67]
• Streams, Descent of, [88]
• flowing into Great Salt Lake, [72]
• Flow of, at different periods, [13]
• Increase in the volume of, [57]
• Measurement of, [86], [115]
• of San Pete Valley, Volume of flow of the, [140]
• of Utah, Fluctuations of the, [115]
• Practical capacity of, [85]
• small, Employment of, in irrigation, [7], [11], [12]
• Strong’s Knob, [67]
• Sub-humid Region, Boundaries of the, [3]
• destitute of forests, [4]
• Mean precipitation of the, [47]
• Rainfall of the, [4]
• Supply of water, Method of determining the, [85], [86]

• Table I. Precipitation of the Sub-humid Region, [47]
• II. Arid Region, [48]
• III. San Francisco Region, [49]
• IV. Region of the Lower Columbia, [49]
• V. Texas, [50]
• VI. Dakota, [51]
• VII. Season of precipitation in the Region of the Plains, [52]
• VIII. San Francisco Region, [53]
• IX. Mean temperature, by seasons, for the San Francisco Region, [54]
• X. Seasonable precipitation and temperatures on the Pacific coast, [55]
• XI. in Arizona and New Mexico, [56]
• of irrigable lands in Utah, [111]
• of southwestern Utah, [149]
• of the Colorado Basin, [164]
• Sevier Lake District, [144]
• of mean annual precipitation in Colorado, [79]
• Nevada, [79]
• Utah, [79]
• Wyoming, [79]
• Tavaputs Plateau, [93]
• Drainage of the, [96]
• Temperature dependent upon altitude and latitude, [2]
• Temperatures, Seasonal, on the Pacific Coast, [55]
• Texas and Pacific Railroad Company, Land grants to the, [179]
• Precipitation of, [50]
• The High Plateaus, [94]
• Thomas, Prof. Cyrus, [71]
• Thompson, Prof. A. H., cited, [86], [110]
• on the irrigable land of the Colorado Basin, [150]
• Timber, [98]
• Areas of standing, [15], [17]
• Cultivation of, [19]
• Destruction of, by fire, [15]
• growth dependent upon climatic conditions, [14]
• lands, [14], [23]
• Boundaries of the, [14]
• Disposal of the, [27]
• Situation of the, [6], [14]
• regions, [15]
• Extent of the, [16]
• Fires in the, [15], [17], [18], [99]
• Titles to public lands, [25]

• Uinta Mountains, [93]
• Drainage of the, [96]
• Orographic structure of the, [97]
• Uinta River, Irrigable lands of the, [160]
• Tributaries of the, [160]
• Volume of flow of the, [160], [161]
• White Basin, [93]
• Amount of irrigable lands in the, [105]
• Description of the, [104]
• Physical features of the, [160]
• Union Pacific Railroad Company, Land grants to the, [177]
• Unit of water supply, [8], [84], [115], [141]
• Method of determining the, [8]
• used in irrigation, [81]
• Utah, Amount of cultivated land in, [84]
• Church government in, [89], [128]
• Drainage of, [94]
• Forest trees of, [100]
• Grasses of, [107]
• Irrigable and pasturage lands of, [104]
• Lake, [123]
• Lands of, [93]
• Mean annual precipitation in, [79]
• Pasturage lands of, [104]
• Prevailing winds of, [68]
• Table of irrigable lands in, [111]
• Timber of, [98]
• Variety of crops cultivated in, [84]
• Watershed of, [94]

• Valley, Castle, [105]
• Circle, Amount of irrigable land in the, [137]
• Gunnison, [105]
• Irrigable lands of the, [162]
• of the Mississippi, [76]
• Sevier River, Amount of irrigable land in the, [144]
• Panguitch, Amount of irrigable land in the, [136]
• San Pete, Amount of irrigable land in the, [138]
• Flow of the streams of the, [140]
• Vasey, Dr. George, [108]
• Vilfa (Sporobolis) airoides, [108]
• Virgin River, Irrigable lands of the, [153]
• Volume of water flowing in the streams, Determination of, [8]

• Wagon roads, Land grants in aid of, [166]
• Ward, Mr. L. F., [103]
• Wasatch Mountains, [93], [94]
• Drainage of the, [96]
• Orographic structure of the, [96]
• Wastage of water, [84]
• Water, Evaporation of, [13]
• Irrigating capacity of, [8], [84], [115], [141]
• Loss of, by evaporation, [87]
• Method of determining the supply of, [85], [115], [139]
• storing, [12]
• rights, [40]
• should inhere in the lands to be irrigated, [40], [41]
• supply, [57]
• affected by the cutting of timber, [75]
• farming, [73]
• grazing, [74]
• Economic bearings of the, [76]
• Increase in the, [57], [89], [91]
• Storage of, [116], [125], [144]
• used in irrigation, Quantitative value of, [81]
• Unit of, [81]
• Wastage of, [84], [142]
• ways rudely constructed, [8]
• Weber River, [119]
• drainage basin, Agricultural resources of the, [121]
• Area of the, [121]
• Mean flow of the, [72]
• White River, Irrigable lands of the, [162]
• Volume of flow of the, [162]
• Winds of Utah, [68]
• Wisconsin, Land grants to, [169], [179]
• Wyoming, Mean annual precipitation in, [79]