TY - RPRT TI - Relations between sinkhole density and anthropogenic contaminants in selected carbonate aquifers in the eastern United States AU - Bruce D. Lindsey AU - Brian G. Katz AU - Marian P. Berndt AU - Ann F. Ardis AU - Kenneth A. Skach PY - 2009 DO - 10.1007/s12665-009-0252-9 UR - https://pubs.usgs.gov/publication/70003741 ID - 70003741 ER -