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Karst and the USGS

Welcome to the USGS Karst Website. This website presents information on USGS research on karst aquifers, which are a vital groundwater resource in the United States. Here you can learn about past and current USGS karst research, with information on ongoing studies, publications, and key contacts for major karst areas. Click on an aquifer on the map below, or select one from a list of aquifers.

Endangered Barton Springs Salamander Endangered Barton Springs Salamander. The Barton Springs Salamander, Eurycea sosorum, is a federally listed endangered species. It has been found only in and around the major springs of the Barton Springs segment of the Edwards aquifer. (Photo courtesy of Lisa O'Donnell, City of Austin) Read more about the Edwards Balcones Fault Zone aquifer...
Disappearing stream, in Kentucky Disappearing stream, in Kentucky. USGS Hydrologist Chuck Taylor stands next to a stream that enters the subsurface through a cave entrance. (Photo by Chuck Taylor) Read more about Paleozoic karst aquifers of the Midwest...
Vendome Well Vendome Well. A flowing artesian well in the Chickasaw National Recreation Area. A water sample from Vendome Well was determined to be 9,000 years old by carbon-14 dating. (Photo by Scott Christenson) Read more about the Arbuckle-Simpson aquifer...
Main Barton Spring, Austin, Texas Main Barton Spring, Austin, Texas. The fourth largest spring in Texas, this is a karst spring that discharges an average of 50 cubic feet per second (about 32 million gallons per day). The spring supplies water to a swimming pool enjoyed by over 300,000 people per year. (Photo by Brad Garner) Read more about the Edwards Balcones Fault Zone aquifer...
Buffalo Spring Buffalo Spring. Located in Chickasaw National Recreation Area. (Photo by Scott Christenson) Read more about the Arbuckle-Simpson aquifer...

This website allows you to browse for karst reports and articles authored by USGS researchers, and find links for other karst resources. There is also an overview of karst and its properties.

This website is maintained by members of the USGS Karst Interest Group, whose (KIG), who investigate karst across the United States.

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Page Last Modified: Monday, 30-Jan-2012 16:39:46 EST