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Page 2722, results 68026 - 68050

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Specific yield determined from a Thiem's Pumping‐Test
L.K. Wenzel
1933, Eos, Transactions, American Geophysical Union (14) 475-477
The specific yield of a water-bearing formation is defined as the ratio of (1) the volume of water, which after being saturated, it will yield by gravity to (2) its own volume (O. E. Meinzer, Outline of ground-water hydrology, U.S. Geol. Sur. Water-Supply Paper 494, p. 28, 1923). It is...
Geophysical interpretation of ground‐water levels
O. E. Meinzer
1933, Eos, Transactions, American Geophysical Union (14) 36-37
The theory of rock‐pressure as a cause of artesian‐head dates back at least to early Grecian times. Thus the philosopher Thales, about 600 B.C., taught that the springs derive their water from the ocean through subterranean channels and that the water is lifted to the springs by rook‐pressure. The theory of rock‐pressure has had...
Some relations between ground‐water hydrology and oceanography
David G. Thompson
1933, Eos, Transactions, American Geophysical Union (14) 30-33
In many areas along the sea-coasts of the world the water-supply for human use is derived largely, and in some areas wholly, from underground sources. Because of the proximity to the ocean in these areas, in some respects the geologic and hydrologic conditions that govern the occurrence and movement of...
Deep‐well salinity‐exploration
A.G. Fiedler
1933, Eos, Transactions, American Geophysical Union (14) 478-480
One of the outstanding accomplishments of recent years in connection with the study of the geologic source of groundwater and the quality of water yielded by different formations has been the development of methods and equipment for the exploration of wells. The description and use of the deep‐well current‐meter on well‐exploration work in Hawaii and New...
Fluctuations of water‐surface in observation‐wells and at stream gaging‐stations in the Mokelumne Area, California, during the earthquake of December 20, 1932
Arthur M. Piper
1933, Eos, Transactions, American Geophysical Union (14) 471-475
On December 20, 1932, much of the western United States felt a pronounced earthquake‐shock which caused noticeable fluctuations of the water‐surface in several observation‐wells and at two stream gaging‐stations in the Mokelumne Area, central California. These effects of the earthquake are reported briefly in this paper.According to Dr. Byerly (personal...
Stream measurement work: Chapter 8 in Eighteenth biennial report of the State Engineer to the governor of Utah: 1931-1932
A.B. Purton
1932, Utah State Engineer Biennial Report 18-8
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...
Ground water supplies of the Camden area, New Jersey
David G. Thompson
1932, Report
This report is one of several setting forth the results of investigations as to the safe yield of the principal water-bearing formations in certain parts of New Jersey, carried on cooperatively by the New Jersey Department of Conservation and Development and the United States Geological Survey. Other areas in which...
Geology and ore deposits of the Pioche district, Nevada
L.G. Westgate, Adolph Knopf
1932, Professional Paper 171
LOCATION AND SURFACE FEATURES The Bristol Range, Highland, and Ely Range quadrangles make up the larger part of a. rectangular area 35 miles north and south by 24 miles east and west, which lies 19 miles west of the Nevada-Utah line and about 250 miles southwest of Salt Lake...