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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.

Turner Falls Turner Falls. The largest waterfall in Oklahoma. Springs discharging from the Arbuckle-Simpson aquifer into Honey Creek are the source of water to Turner Falls. (Photo by Noel Osborn, Ok. Water Resources Board) Read more about the Arbuckle-Simpson aquifer...
Loss of water from the Peace River through underlying conduit during low-flow period, May 2004 Loss of water from the Peace River through underlying conduit during low-flow period, May 2004. The Peace River in this area is characterized by shallow, sometimes exposed carbonate units, with karst features that vary in type and size and include sinkholes, subsidence depressions, dissolution pipes, and enlarged fractures. (from Spechler and Kroening, 2006) Read more about the Upper Floridan and Biscayne aquifers...
Upper Barton Spring, Austin, Texas Upper Barton Spring, Austin, Texas. Located in the creekbed of Barton Creek, this karst spring has been monitored by the USGS periodically. The results of those monitoring efforts have indicated that, despite being less than 1 kilometer from the much larger Main Barton Spring, its water has a substantially different major-ion and contaminant geochemistry. (Photo by Brad Garner) Read more about the Edwards Balcones Fault Zone aquifer...
Cave along Cedar Creek, Virginia Cave along Cedar Creek, Virginia. USGS Hydrologist Bob Hirsch experiences karst terrane first hand while kayaking on Cedar Creek. He is paddling out of a cave along Cedar Creek, about 20 miles south of Winchester. Cedar Creek is a tributary of the North Fork of the Shenandoah River. (Photo by Mary Cirincione) Read more about karst aquifers of the Valley and Ridge, Piedmont, and Blue Ridge province...
Fluorescent tracer injection into a sinkhole in the Leetown area, WV Fluorescent tracer injection into a sinkhole in the Leetown area, WV. Tracer tests were conducted as part of intensive investigations of the hydrogeology, water quality, and groundwater flow of the karst aquifer in the Hopewell Run Watershed, northern Shenandoah Valley, near Leetown, West Virginia. (Photo by Mark Kozar) Read more about karst aquifers of the Valley and Ridge, Piedmont, and Blue Ridge province...

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