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Page 4644, results 116076 - 116100

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Flood of October 1986 at Seward, Alaska
S. H. Jones, Chester Zenone
1988, Water-Resources Investigations Report 87-4278
Broad areas along the lower Resurrection River and Salmon Creek as well as the surfaces of several adjacent alluvial fans in the Seward area were flooded as a result of the intensive rainstorm of October 9-11, 1986. Severe erosion took place through the steep gradient, mountain canyons and near the...
An experiment in representative ground-water sampling for water- quality analysis
T.L. Huntzinger, L.E. Stullken
1988, Water-Resources Investigations Report 88-4178
Obtaining a sample of groundwater that accurately represents the concentration of a chemical constituent in an aquifer is an important aspect of groundwater-quality studies. Varying aquifer and constituent properties may cause chemical constituents to move within selectively separate parts of the aquifer. An experiment was conducted in an agricultural region...
Economic comparison of two types of automatic water-quality monitors
Max Katzenbach
1988, Water-Resources Investigations Report 87-4232
A comparison of the U.S. Geological Survey's minimonitor system with a self-contained, 'package-sensor' system indicates that the package-sensor system requires less servicing time. The U.S. Geological Survey minimonitor is powered by an external battery and is housed in a weatherproof shelter. This instrument measures temperature, specific conductance, dissolved oxygen, and...
Low-flow profiles of the upper Oconee River and tributaries in Georgia
R.F. Carter, E. H. Hopkins, H.A. Perlman
1988, Water-Resources Investigations Report 88-4048
Low flow information is provided for use in an evaluation of the capacity of streams to permit withdrawals or to accept waste loads without exceeding the limits of State water quality standards. The purpose of this report is to present the results of a compilation of available low flow data...
Codes for the identification of aquifer names and geologic units in the United States and the Caribbean outlying areas
Water Resources Division, U.S. Geological Survey
1988, Circular 878-C
This standard provides codes to be used for the identification of aquifer names and geologic units in the United States, the Caribbean and other outlying areas. Outlying areas include Puerto Rico, the Virgin Islands, American Samoa, the Midway Islands, Trust Territories of the Pacific Islands, and miscellaneous Pacific Islands. Each...
Geohydrology and susceptibility of major aquifers to surface contamination in Alabama; area 13
W. S. Mooty
1988, Water-Resources Investigations Report 88-4080
The geohydrology and susceptibility to surface contamination of the major aquifers in Area 13--Baldwin and Mobile Counties Alabama--are described. Within this area are two major aquifers. The Pliocene-Miocene aquifer occurs throughout the study area. The Alluvial-Coastal aquifer is found near the major rivers and coastal areas and overlies the Pliocene-Miocene...
Nomenclature of regional hydrogeologic units of the Southeastern Coastal Plain aquifer system
J. A. Miller, R.A. Renken
1988, Water-Resources Investigations Report 87-4202
Clastic sediments of the Southeastern Coastal Plain aquifer system can be divided into four regional aquifers separated by three regional confining units. The four regional aquifers have been named for major rivers that cut across their outcrop areas and expose the aquifer materials. From youngest to oldest, the aquifers are...
Assessment of ground-water contamination in the alluvial aquifer near West Point, Kentucky
M. A. Lyverse, M.D. Unthank
1988, Water-Resources Investigations Report 88-4166
Well inventories, water level measurements, groundwater quality samples, surface geophysical techniques (specifically, electromagnetic techniques), and test drilling were used to investigate the extent and sources of groundwater contamination in the alluvial aquifer near West Point, Kentucky. This aquifer serves as the principal source of drinking water for over 50,000 people....
Methods to determine transit losses for return flows of transmountain water in Fountain Creek between Colorado Springs and the Arkansas River, Colorado
Gerhard Kuhn
1988, Water-Resources Investigations Report 87-4119
Methods were developed by which transit losses could be determined for transmountain return flows in Fountain Creek between Colorado Springs, Colorado, and its confluence with the Arkansas River. The study reach is a complex hydrologic system wherein a substantially variable streamflow interacts with an alluvial aquifer. The study approach included:...
Potential flood and debris hazards at Katherine Landing and Telephone Cove, Lake Mead National Recreation Area, Mohave County, Arizona
Otto Moosburner
1988, Water-Resources Investigations Report 87-4081
Katherine Landing is a recreation site on the east shore of Lake Mohave, an impoundment on the Colorado River southeast of Las Vegas, Nevada. With proper inspection and maintenance, the present (1979) channel and diking system at Katherine Landing is judged adequate to confine and restrain floods up to and...
Geochemical sampling in arid environments by the U.S. Geological Survey
Margaret Hinkle
1988, Circular 997
The U.S. Geological Survey (USGS) is responsible for the geochemical evaluations used for mineral resource assessments of large tracts of public lands in the Western United States. Many of these lands are administered by the Bureau of Land Management (BLM) and are studied to determine their suitability or nonsuitability for...
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in Bowdoin National Wildlife Refuge and adjacent areas of the Milk River basin, northeastern Montana, 1986-87
J. H. Lambing, W. E. Jones, J. W. Sutphin
1988, Water-Resources Investigations Report 87-4243
Concentrations of trace elements, radiochemicals, and pesticides in the Bowdoin National Wildlife Refuge lakes generally were not substantially larger than those in the water supplied from Dodson South Canal or in irrigation drainage. Concentrations of arsenic (47 micrograms/L), uranium (43 microg/L), and vanadium (51 microg/L) in Dry Lake Unit, and...