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Page 5984, results 149576 - 149600

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Geology of the Guadalupe Mountains, New Mexico
Philip Thayer Hayes
1964, Professional Paper 446
After the discovery of oil in Permian rocks in Winkler County, Tex., in 1920, petroleum exploration intensified in adjacent parts of western Texas and southeastern New Mexico. Almost immediately unusual stratigraphic complexities were discovered in the Permian rocks. Thus began a long period of stratigraphic investigations, chiefly reconnaissance studies, of...
Ground-water provinces of southern Rhodesia
Philip Eldon Dennis, L.L. Hindson
1964, Water Supply Paper 1757-D
Ground-water development, utilization, and occurrence in nine ground-water provinces of Southern Rhodesia are summarized in this report. Water obtained from drilled wells for domestic and stock use has played an important part in the social and economic development of Southern Rhodesia from the beginnings of European settlement to the present....
Geology and ground-water conditions in the Wilmington-Reading area, Massachusetts
John Augustus Baker, H.G. Healy, O. M. Hackett
1964, Water Supply Paper 1694
The Wilmington-Reading area, as defined for this report, contains the headwaters of the Ipswich River in northeastern Massachusetts. Since World War II the growth of communities in this area and the change in character of some of them from rural to suburban have created new water problems and intensified old...
Geology and ground-water resources of Richardson County, Nebraska
Philip A. Emery
1964, Water Supply Paper 1779-W
Richardson County is in the extreme southeast corner of Nebraska. It has an area of 545 square miles, and in 1960 it had a population of 13,903. The county is in the physiographic region referred to as the Dissected Loess-covered Till Prairies. Major drainage consists of the Big Nemaha River,...
Field measurement of alkalinity and pH
Ivan Barnes
1964, Water Supply Paper 1535-H
The behavior of electrometric pH equipment under field conditions departs from the behavior predicted from Nernst's law. The response is a linear function of pH, and hence measured pH values may be corrected to true pH if the instrument is calibrated with two reference solutions for each measurement. Alkalinity titrations...
Availability of ground water in parts of the Acoma and Laguna Indian Reservations, New Mexico
George A. Dinwiddie, Ward Sundt Motts
1964, Water Supply Paper 1576-E
The need for additional water has increased in recent years on the Acoma and Laguna Indian Reservations in west-central New Mexico because the population and per capita use of water have increased; the tribes also desire water for light industry, for more modern schools, and to increase their irrigation program....
General geology of Guam
J. I. Tracey Jr., S.O. Schlanger, J. T. Stark, D. B. Doan, H. G. May
1964, Professional Paper 403-A
No abstract available....
Sea water in coastal aquifers
Hilton H. Cooper
1964, Water Supply Paper 1613-C
Investigations in the coastal part of the Biscayne aquifer, a highly productive aquifer of limestone and sand in the Miami area, Florida, show that the salt-water front is dynamically stable as much as 8 miles seaward of the position computed according to the Ghyben-Herzberg principle. This discrepancy results, at least...
Magnitude and frequency of floods in Alaska south of the Yukon River
Vernon Kenneth Berwick, Joseph M. Childers, M.A. Kuentzel
1964, Circular 493
This report presents a method for evaluating the magnitude and frequency of floods on the basis of the analysis of flood records. One composite frequency curve is applied to the entire study region. This curve relates floods of various magnitudes at any site within the region to probable recurrence intervals...