@misc{indiciae513303d5fc09, title = {Water resources data for Michigan, water year 1974; Part 2, Water quality records}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1974}, doi = {10.3133/wdrmi742}, url = {https://pubs.usgs.gov/publication/wdrMI742}, note = {Source identifier: wdrMI742} }