USGS Fact Sheet 2007-3048
This report is available online in pdf format (1 MB): USGS FS 2007-3048 (
).
Report available online only.
U.S. Geological Survey Fact Sheet 2007-3048, 4 pages (Published June 2007)
Crystalline and carbonate-rock aquifers in northern Georgia provide water to an ever-increasing number of private and public wells in the region. Understanding the depth and yield of water-bearing zones in such wells is crucial for the development and long-term sustainability of ground-water resources and for keeping wells in good operating condition. Portable geophysical logging units are now widely available and have greatly increased the ability of geoscientists to obtain subsurface information from water wells.
What Is Borehole Geophysical Logging?
Why Log a Well?
Types of logging
Caliper
Natural gamma
Long- and Short-Normal and Lateral Resistivity
Fluid
Flowmeter
Camera
Optical televiewer
Geophysical Log Database
Summary
Selected References
This report is available online in pdf format (1 MB): USGS FS 2007-3048 ()
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Recent USGS publications on Georgia or Georgia Water-Resources Information
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