United States Geological Survey YearbookThe Survey, 1986 - Geology |
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Page 23
... Aquifer Systems Analysis overall Division activity , is a. • Provides scientific and technical assist- ance in hydrologic fields to other Federal , State , and local agencies , to licensees of the Federal Energy Regulatory Commis- sion ...
... Aquifer Systems Analysis overall Division activity , is a. • Provides scientific and technical assist- ance in hydrologic fields to other Federal , State , and local agencies , to licensees of the Federal Energy Regulatory Commis- sion ...
Page 24
... Aquifer Systems Analysis Program is a systematic study of a number of regional ground - water systems that represent a significant part of the Nation's water supply . The program includes assess- ment of discharge - recharge dynamics ...
... Aquifer Systems Analysis Program is a systematic study of a number of regional ground - water systems that represent a significant part of the Nation's water supply . The program includes assess- ment of discharge - recharge dynamics ...
Page 29
... aquifers in the area ? • How much selenium is reaching the San Joaquin River and San Francisco Bay ? Although the studies designed to address these questions are still in their early stages , there have been some important early ...
... aquifers in the area ? • How much selenium is reaching the San Joaquin River and San Francisco Bay ? Although the studies designed to address these questions are still in their early stages , there have been some important early ...
Page 30
... aquifer before irrigation began and in which selenium concentrations are higher than normal . Continuing irrigation in recent decades has added progressively fresher water to the top of the aquifer as the amount of readily soluble ...
... aquifer before irrigation began and in which selenium concentrations are higher than normal . Continuing irrigation in recent decades has added progressively fresher water to the top of the aquifer as the amount of readily soluble ...
Page 32
... aquifer materials in the uppermost part of the aquifer have been most affected by the present - day arid climate and are characterized by chemically oxidizing conditions that favor high selenium solubility . Low selenium con ...
... aquifer materials in the uppermost part of the aquifer have been most affected by the present - day arid climate and are characterized by chemically oxidizing conditions that favor high selenium solubility . Low selenium con ...
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activities Administration Alaska aquifer areas basins California cartographic City Commission concentrations contaminants cooperation Coordination County data base Denver Denver Federal Center deposits digital cartographic data distribution drought earth-science earthquake Energy Environmental eruption Federal agencies Federal Bldg feet fiscal year 1986 flow format geographic information systems Geologist geophysical Gorda Ridge graphic ground water ground-water hazards hydrologic increased investigations Irrigation land Landsat levels located logical Survey Management Menlo Park ment miles mineral resource assessment monitoring National Center National Mapping Division National Water Office Operations organic Orinoco River Parkfield percent Planning potential precipitation production quadrangle radioactive waste radon Regional Reston River rocks runoff Salt Lake samples saturated zone scientific Scientific Drilling sediment seismic selenium Service soil sources Stop streamflow studies sulfide surface Survey's terranes tion Transportation trends U.S. Geological Survey United uranium Valley volcano waste Water District water quality Water Resources Division water-quality