@misc{indiciae8d8d9fe4b798, title = {Quality characteristics of ground water in the Ozark aquifer of northwestern Arkansas, southeastern Kansas, southwestern Missouri and northeastern Oklahoma, 2006-07}, author = {L. M. Pope and H. E. Mehl and R.L. Coiner}, year = {2009}, doi = {10.3133/sir20095093}, url = {https://pubs.usgs.gov/publication/sir20095093}, note = {Source identifier: sir20095093} }