Publications

No abstract available.

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The magnitude of a flood of a selected frequency for any point in the two states may be determined by methods outlined in this report, with two limitations. These methods are not applicable for regulated streams or for small-drainage areas (in general, less than 100 square miles). The determination of the magnitude of a flood of a selected frequency in the two-state area is accomplished by the use

The chemical composition of natural water is derived from many different sources of solutes, including gases and aerosols from the atmosphere, weathering and erosion of rocks and soil, solution or precipitation reactions occurring below the land surface, and cultural effects resulting from activities of man. Some of the processes of solution or precipitation of minerals can be closely evaluated by

Major floods occurred in four areas in the United States during 1953: western Oregon and northwestern California, Louisiana and adjacent States, the Missouri River basin in Montana, and northwestern Iowa.Monetary loss from floods in 1953 was much lower than in any one of the preceding 3 years and was less than half the national annual average as computed by the Weather Bureau.

No abstract available.

The principal sources of ground-water supply in the upper Lodgepole Creek drainage basin-the part of the basin west of the Wyoming-Nebraska State line-are the Brule formation of Oligocene age, the Arikaree formation of Miocene age, the Ogallala formation of Pliocene age, and the unconsolidated deposits of Quaternary age. The Brule formation is a moderately hard siltstone that generally is not

The Edwards limestone of Cretaceous age is the principal water-bearing formation in Medina County and makes up the major part of a ground-water reservoir, or aquifier, which in places includes thinner limestone formations both above and below the Edwards. The Glen Rose limestone, also of Cretaceous age, yields moderate amounts of water to wells and springs in the northern part of the county. Other

Extensive flooding occurred in the basins of the Missouri and upper Mississippi Rivers and the Red River of the North. Other large floods were confined mainly to the States of Texas, Utah, Nevada, and California. The most intense of the large floods was the September flood in south-central Texas, which resulted from rains ranging from 5 to 26 inches in 48 hours on an area of about 1,000 square mil

No abstract available.