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Page 5975, results 149351 - 149375

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Publication Extents

Not all publications have extents, not all extents are completely accurate
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...
Determination of radium in water
Franklin Butt Barker, J. O. Johnson
1964, Water Supply Paper 1696-B
Radium isotopes are common radioactive constituents of natural waters. The concentration of radium-226 in potable water is of particular significance because this isotope is generally considered the most hazardous of all radionuclides with respect to ingestion. The approximate concentration of radium-226 is determined after coprecipitating radium with barium sulfate. The...
Ground-water resources of the lower Rio Grande Valley area, Texas
R. C. Baker, O.C. Dale
1964, Water Supply Paper 1653
The report contains information about the occurrence, quality, and use of ground water in the Lower Rio Grande Valley area which consists of Cameron, Hidalgo, Starr, and Willacy Counties in southern Texas. The principal use of water in the area is for irrigation. The principal irrigated crops are cotton, winter vegetables,...
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...
Chemical quality of surface waters, and sedimentation in the Grand River drainage basin, North and South Dakota
Charles Herbert Hembree, Robert A. Krieger, Paul Robert Jordan
1964, Water Supply Paper 1769
An investigation of the chemical quality of surface waters and of the sedimentation in the Grand River drainage basin by the U.S. Geological Survey began in 1946. The chemical quality of the water was studied to obtain information on the nature and amounts of dissolved solids in the streams and...
Methods of determining permeability, transmissibility and drawdown
Ray Bentall
1964, Water Supply Paper 1536-I
If the Theis graphical method is used for determining the hydraulic constants of an aquifer under water-table conditions, the observed drawdowns should be corrected for the decrease in saturated thickness. This is especially true if the drawdown is a large fraction of the original saturated thickness, for then the computed...
Ground-water resources of Waupaca County, Wisconsin
Charles F. Berkstresser
1964, Water Supply Paper 1669-U
Waupaca County is in east-central Wisconsin. No serious ground-water problems existed in 1960 except in a few localities where crystalline rock is near land surface or is covered by nearly impermeable till. The use of ground water for irrigation has not appreciably affected ground-water levels. The county is covered by Pleistocene...
Water resources of the Flint area, Michigan
Sulo Werner Wiitala, K.E. Vanlier, Robert A. Krieger
1964, Water Supply Paper 1499-E
This report describes the water resources of Genesee County, Mich., whose principal city is Flint. The sources of water available to the county are the Flint and Shiawassee Rivers and their tributaries, inland lakes, ground water, and Lake Huron. The withdrawal use of water in the county in 1958 amounted...
Geology and ground-water resources of southeastern New Hampshire
Edward Bradley
1964, Water Supply Paper 1695
The continued growth and development of southeastern New Hampshire, an area of about 390 square miles adjacent to the Atlantic Ocean, will depend partly on effectively satisfying the demand for water, which has increased rapidly since World War II. The report identifies and describes the principal geologic units with respect...