@misc{indiciae6336cf717db2,
  title = {General character and succession of tentative divisions in the stratigraphy of the Mineral Hills district, Iron River, Iron County, Michigan},
  author = {C. E. Dutton and D.F. Park and J. R. Balsley},
  year = {1945},
  doi = {10.3133/ofr4566},
  url = {https://pubs.usgs.gov/publication/ofr4566},
  note = {Source identifier: ofr4566}
}