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Stream measurement work under the usual co-operative agreement between the U.S. Geological Survey and the State Engineer continued during the biennium for the purpose of determining the water resources of the State. This work in Utah is part of the general plan for a systematic determination of the water resources of the United States begun by the Geological Survey in 1888. Records of stream flow

General stream measurement work for the purpose of determining the water resources of the state has been continued during the biennium by the United States Geological Survey under the usual cooperative agreements with the State Engineer.This work in Utah is a part of the general plan for the systematic determination of the water resources of the United States begun by the geological Survey in 1888

No abstract available.

Fluctuations of water levels in wells, if critically studied, may give much information as to the occurrence, movement, and quantity of available ground water. In some localities the ground-water level has been observed to decline during the day and to rise at night, the decline beginning at about the same hour every morning and the rise at about the same hour every night. This daily decline is du

This report gives the results obtained in the continuation of a study of the Colorado River begun in 1925.1 The analyses represent composites of daily samples collected by the observers at the gaging stations on the Colorado River at Cisco, Utah, and Lees Ferry and Grand Canyon, Ariz.; on the Green River at Green River, Utah; and on the San Juan River near Bluff, Utah. Analyses are given for sampl

General stream measurement work looking toward a comprehensive inventory of the water resources of the state has been continued during the biennium by the United States Geological Survey under the usual cooperative agreement with the State Engineer.Since 1909 Utah in company with many other states has made regular legislative appropriations for the purpose of assisting and hastening the determinat

The measurement of the flow of the streams in California was begun by the State engineer in 1878, in accordance with the law requiring him "to investigate the problems of the irrigation of the plains; the condition and capacity of the great drainage lines of the State, and the improvement of the navigation of rivers." The work was restricted to a few localities in the Sacramento and San Joaquin Ri

Determinations of the quantity of solid material carried by the Colorado River are necessary for the proper consideration of plans for the development of the resources of the river. Much of the material carried by the river will be deposited in the proposed reservoirs and eventually will occupy a large part of the capacity of the reservoirs, so that their effectiveness for flood control or river r

This report gives the results obtained in the continuation of a study of the Colorado River begun in 1925.1 Most of the analyses here given represent composites of daily samples collected by the observers at the gaging stations on the Colorado River at Grand Canyon, Topock, and Yuma, Ariz. The other samples analyzed were taken at Lees Ferry and on tributaries of the Colorado. These stations are op

The purpose of this report is to present the facts regarding the available water supply of the Green River Basin and other data that will be helpful in planning to put this water to beneficial use. For some parts of the basin a mass of information is available; for other parts the data are less complete. An attempt is made in this report to present an analysis of all this information, supplemented

This report presents, in form for ready reference, the available data pertaining to the present and future utilization of the surface waters of the upper Colorado River Basin, above the Green River and includes information relating to topography, climate, evaporation, water supply, transmountain diversions, storage, irrigation and agriculture, and water power as they existed in 1927.

Most of the analyses given in this report represent composites of daily samples collected by the observers at United States Geological Survey gaging stations on Colorado River at Grand Canyon and Topock, Ariz. These stations are operated under the direction of W. E. Dickinson, district engineer of the Geological Survey at Tucson, Ariz., who personally collected some of the samples at other points