TY - RPRT TI - Quality characteristics of ground water in the Ozark aquifer of northwestern Arkansas, southeastern Kansas, southwestern Missouri and northeastern Oklahoma, 2006-07 AU - L. M. Pope AU - H. E. Mehl AU - R.L. Coiner PY - 2009 DO - 10.3133/sir20095093 UR - https://pubs.usgs.gov/publication/sir20095093 ID - sir20095093 ER -