Publications

No abstract available.

No abstract available.

Water is the most valuable of the mineral resources. The study of ground waters is therefore clearly within the field of economic geology and constitutes an important part of the work of the geological surveys, both State and national, as defined by law. In the spring of 1911 the investigation of the ground waters of North Dakota was begun by the North Dakota Geological Survey, and the work was as

No abstract available.

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

The co-operative stream measurement work has been continued during the biennium by the United States Geological Survey under co-operative agreement with the State Engineer. This agreement is essentially the same as that outlined in previous reports. Those interested in the details and history of the co-operative stream gaging operations in the state since 1909 can find this information in the bien

No abstract available.

During and immediately after the war the brines of the Salduro Marsh, in the Great Salt Lake Desert, were a source of considerable potash for the domestic supply. Although no potash has been produced from these brines in the last few years, a continued interest in the area has been shown by a large number of filings, in different parts of the desert, under the potash law of October 2, 1917 (40 Sta

Perhaps the most outstanding feature of the flora of the desert is its relation or lack of relation to the water table. On the one hand are the plants which are adapted to extreme economy of water, which depend on the rains that occur at long intervals for their scanty water supplies, and which during prolonged periods of drought maintain themselves in a nearly dormant condition. These plants are

What are the largest springs in the United States, how much water do they discharge, and what geologic conditions produce them are questions of much popular interest and considerable scientific and economic importance. Yet the information in regard to large springs has been so widely scattered and so difficult to interpret that most people have only very vague notions on the subject. The present p

No abstract available.