TY - RPRT TI - Factors affecting water quality in selected carbonate aquifers in the United States, 1993-2005 AU - Bruce D. Lindsey AU - Marian P. Berndt AU - Brian G. Katz AU - Ann F. Ardis AU - Kenneth A. Skach PY - 2009 DO - 10.3133/sir20085240 UR - https://pubs.usgs.gov/publication/sir20085240 ID - sir20085240 ER -