@misc{indiciae9e021b6909ee, title = {Hydrogeology and ground-water quality, Chippewa Township, Isabella County, Michigan, 2002-05}, author = {David B. Westjohn and Christopher J. Hoard}, year = {2006}, doi = {10.3133/sir20065193}, url = {https://pubs.usgs.gov/publication/sir20065193}, note = {Source identifier: sir20065193} }