Karst aquifer systems are present throughout parts of the United States and some of its territories, and have developed in carbonate rocks (primarily limestone and dolomite) that span an interval of time en
Kuniansky, Eve L. elkunian@usgs.gov,Spangler, Lawrence E. spangler@usgs.gov. U.S. Geological Survey Karst Interest Group Proceedings, Carlsbad, New Mexico, April 29-May 2, 2014. 2014-01-01.