@misc{indiciaef0662eeeb4bd, title = {Hydrogeologic framework of Mississippian rocks in the central Lower Peninsula of Michigan}, author = {David B. Westjohn and Thomas L. Weaver}, year = {1996}, doi = {10.3133/wri944246}, url = {https://pubs.usgs.gov/publication/wri944246}, note = {Source identifier: wri944246} }