@misc{indiciae41744dcd1ea2, title = {Digital surfaces and thicknesses of selected hydrogeologic units within the Ozark Plateaus aquifer system, northwestern Arkansas}, author = {John B. Czarnecki and Susan E. Bolyard and Rheannon M. Hart and Jimmy M. Clark}, year = {2014}, doi = {10.3133/sir20135208}, url = {https://pubs.usgs.gov/publication/sir20135208}, note = {Source identifier: sir20135208} }