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Water levels in observation wells in Santa Barbara County, California, in 1958
G.A. Miller
1959, Open-File Report 59-83
Investigation of the ground-water resources of Santa Barbara County was continued during 1958 by the U. S. Geological Survey in cooperation with the Santa Barbara County Water Agency. Monthly water-level measurements were made in 201 wells, in 11 of which automatic water-level recorders were operated. Earlier measurements, covering the period...
Floods in North and South Dakota: Frequency and magnitude
John A. McCabe, Orlo A. Crosby
1959, Open-File Report 59-80
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...
Iron-ore resources of the United States including Alaska and Puerto Rico, 1955
Martha S. Carr, Carl E. Dutton
1959, Bulletin 1082-C
The importance of iron ore, the basic raw material of steel, as a fundamental mineral, resource is shown by the fact that about 100 million long tons of steel is used annually in the economy of the United States, as compared with a combined total of about 5 million long...