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Page 2408, results 60176 - 60200

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Chemical interactions of aluminum with aqueous silica at 25 degrees Celsius
John David Hem, C. E. Roberson, Carol J. Lind, W.L. Polxer
1973, Water Supply Paper 1827-E
Solutions containing from 10 -5 to 10 -2 moles per liter of aluminum and dissolved silica in various ratios were aged at pH levels between 4 and 10 at 25?C. A colloidal amorphous product having the composition of halloysite was produced in most solutions. It had a consistent and reversible...
Hydrogeology of glacial drift, Mesabi Iron Range, northeastern Minnesota
Thomas C. Winter
1973, Water Supply Paper 2029-A
Stratified fluvial sediments occur within the glacial drift at many places in the Mesabi Iron Range area. These sediments, which are important aquifers, occur extensively between the three main till units. The thickest and most extensive aquifer consists of glaciofluvial sediments that lie between the surficial till and the middle...
Fractionation and characterization of natural organic matter from certain rivers and soils by free-flow electrophoresis
J.A. Leenheer, Ronald L. Malcolm
1973, Water Supply Paper 1817-E
Soluble river organic matter and soil fulvic acids from a variety of environments were compared by examining the free-flow electrophoretic fractionation curves of organic carbon, color, and polysaccharides. Significant amounts of virtually colorless organic material were found in both the soil and the river preparations. Polysaccharides comprised 20-75 percent of...
Improvement of trout streams in Wisconsin by augmenting low flows with ground water
R.P. Novitzki
1973, Water Supply Paper 2017
Approximately 2 cubic feet per second of ground water were introduced into the Little Plover River in 1968 when natural streamflow ranged from 3 to 4 cubic feet per second. These augmentation flows were retained undiminished through the 2-mile reach of stream monitored. Maximum stream temperatures were reduced as much...
Preparative free-flow electrophoresis as a method of fractionation of natural organic materials
J.A. Leenheer, Ronald L. Malcolm
1973, Water Supply Paper 1817-D
Preparative free-flow electrophoresis was found to be an efficient method of conducting large-scale fractionations of the natural organic polyelectrolytes occurring in many surface waters and soils. The method of free-flow electrophoresis obviates, the problem of adsorption upon a supporting medium and permits the use of high potential gradients and currents...
Water resources of the New Jersey part of the Ramapo River basin
John Vecchioli, E.G. Miller
1973, Water Supply Paper 1974
The Ramapo River, a major stream in the Passaic River basin, drains an area of 161 square miles, 70 percent of which is in Orange and Rockland Counties, N.Y., and 30 percent is in Bergen and Passaic Counties, N.J. This report describes the hydrology of the New Jersey part of...
Appraisal of ground water for irrigation in the Little Falls area, Morrison County, Minnesota
John O. Helgesen
1973, Water Supply Paper 2009-D
Anticipated irrigation on sandy soils has prompted evaluation of ground-water supply potential in the Little Falls area. Geologic conditions cause ground-water availability to vary widely in the area. The largest and most readily available groundwater source is the glacial outwash sand and gravel from which the soils were derived. Test augering...
Erosional and Depositional Aspects of Hurricane Camille in Virginia, 1969
Garnett P. Williams, Harold P. Guy
1973, Professional Paper 804
Probably the worst natural disaster in central Virginia's recorded history was the flood resuiting from an 8-hour deluge of about 28 inches (710 mm) of rain on the night of August 19-20, 1969. This study examines some of the intensive sediment erosion and deposition that resulted from the storm and...
Fluvial-sediment discharge to the oceans from the conterminous United States
Westley Farnsworth Curtis, James J. Culbertson, Edith B. Chase
1973, Circular 670
This report is a contribution to the UNESCO-sponsored project of the International Hydrological Decade called the World Water Balance. Annual fluvial-sediment discharge from the conterminous United States averages 491,449,600 short tons, of which 14,204,000 is discharged to the Atlantic Ocean, 378,179,000 to the Gulf of Mexico, and 99,066,600 to the...
Regional analyses of streamflow characteristics
H. C. Riggs
1973, Techniques of Water-Resources Investigations 04-B3
This manual describes various ways of generalizing streamflow characteristics and evaluates the applicability and reliability of each under various hydrologic conditions. Several alternatives to regionalization are briefly described....
Storage analyses for water supply
H. C. Riggs, C.H. Hardison
1973, Techniques of Water-Resources Investigations 04-B2
This manual briefly describes various methods of storage analysis and recommends one method for use by the U.S. Geological Survey to produce draft-storage relations useful to planners and designers. The recommended method is described in detail....
Role of water in urban planning and management
William Joseph Schneider, David A. Rickert, Andrew Maute Spieker
1973, Circular 601-H
Concentrations of people in urban areas intensify water problems such as flooding and pollution, but these deleterious effects on water resources can be minimized or corrected by comprehensive planning and management. Such planning of the water resources of an urban area must be based on adequate hydrologic data. Through the use...