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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...
Geology of the Marble exploration hole 4, Nevada Test Site, Nye County, Nevada
Francis Alexander McKeown, Verl Richard Wilmarth
1959, Trace Elements Memorandum 1036
The Marble exploration hole 4 was drilled to determine the chemical and physical properties of marble from the surface to depth of about 1,200 feet. The drill hole is in the north-central part of the Tippipah Spring quadrangle, approximately 40 miles north of Mercury, Nev. The collar of the hole...
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...