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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.

Byrds Mill Spring Byrds Mill Spring. Oklahoma's largest spring and the primary water supply for the City of Ada, Oklahoma. (Photo by Scott Christenson) Read more about the Arbuckle-Simpson aquifer...
Byrds Mill Spring Byrds Mill Spring. USGS Hydrologist Scott Christenson collects a water sample from Oklahoma’s largest spring. (Photo by Noel Osborn, Ok. Water Resources Board) 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...
Main Barton Spring, with Barton Springs Pool drained Main Barton Spring, with Barton Springs Pool drained. USGS Research Hydrologist Barbara Mahler makes water-quality measurements of Main Barton Spring. The spring normally discharges under the presssure of 12 feet of overlying water, but here that water had been lowered temporarily, to quantify the water-quality changes it causes. (Photo by Marcus Gary) Read more about the Edwards Balcones Fault Zone aquifer...
Karst conduit in a borehole, Cumberland County, PA Karst conduit in a borehole, Cumberland County, PA. A still-frame from a video taken from a camera lowered into a borehole in karst terrane. A conduit appears in this photo as a distinctive void space, which likely transmits large volumes of water through the aquifer rapidly. (Photo by Randy Conger) 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