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Page 4127, results 103151 - 103175

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Water-quality characteristics of the Columbia Plateau regional aquifer system in parts of Washington, Oregon, and Idaho
W.C. Steinkampf
1989, Water-Resources Investigations Report 87-4242
Water quality data for the period 1982 through 1983 from about 350 wells in three Miocene basalt units in the Columbia Plateau regional aquifer system, Washington, show that the quality of groundwater generally is suitable for most uses. The dominant water type is calcium magnesium bicarbonate at shallow depths, and...
Geohydrology of the Escondido hydrologic subarea, San Diego County, California
L. R. Woolfenden
1989, Water-Resources Investigations Report 88-4223
The San Diego region of California is undergoing rapid growth with a corresponding increase in the demand for water. To update the basin plan developed in 1975 by the California Regional Water Quality Control Board, San Diego Region, water-level and water quality data for the 44-sq mi Escondido hydrologic subarea...
Quality of water from public-supply wells in principal aquifers of Illinois, 1984-87
David C. Voelker
1989, Water-Resources Investigations Report 88-4111
The quality of water from public-supply wells that tap the principal aquifers in Illinois are summarized. Water quality data collected during the study included inorganic and volatile organic constituents in 2,756 samples and soluble organic constituents in 330 samples from 2,080 public supply wells. Water quality differs among the aquifers...
Geologic map of the Latir Volcanic Field and adjacent areas, northern New Mexico
P. W. Lipman, J. C. Reed Jr.
1989, IMAP 1907
This map was first published as a printed edition in 1989. The geologic data have now been captured digitally and are presented here along with images of the printed map sheet and component parts as PDF files. This map encompasses all or parts of ten 7.5 minute quadrangles in the Taos...