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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.

Cripple Crawfish Sinkhole, south of Austin, Texas Cripple Crawfish Sinkhole, south of Austin, Texas. Located within the creekbed of Onion Creek, a water vortex indicates rapid infiltration of water into the Edwards aquifer. (Photo courtesy of David A. Johns, City of Austin) Read more about the Edwards Balcones Fault Zone aquifer...
Antelope Spring Antelope Spring. Located in Chickasaw National Recreation Area. (Photo by Scott Christenson) Read more about the Arbuckle-Simpson aquifer...
Waterfall in Mammoth Cave Nat. Park Waterfall in Mammoth Cave Nat. Park. Recent rainfall has activated a large waterfall in the so-called Mammoth Dome, cascading water down on the path used by visistors through the cave. (Photo by Dan Doctor) Read more about Paleozoic karst aquifers of the Midwest...
Streamflow tracer test on a tributary to Hopewell Run near Leetown, WV Streamflow tracer test on a tributary to Hopewell Run near Leetown, WV. U.S. Environmental Protection Agency scientist Malcolm Field conducts this test. It was conducted to assess potential leakage of stream water to the karst aquifer in the northern Shenandoah Valley of West Virginia. (Photo by Carol Boughton) Read more about karst aquifers of the Valley and Ridge, Piedmont, and Blue Ridge province...
Sinkhole-formed lakes near Winter Haven, FL Sinkhole-formed lakes near Winter Haven, FL. These sinkholes, which often are filled with permeable surficial sands, provide more direct avenues for water from the surficial aquifer system to recharge the underlying Upper Floridan aquifer. (from Spechler and Kroening, 2006) Read more about the Upper Floridan and Biscayne aquifers...

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