@misc{indiciaef6b07a105f2a,
  title = {Cobalt distribution in B-horizon soils, Iron River 1° x 2° quadrangle, Michigan and Wisconsin},
  author = {J. D. Hoffman and H. V. Alminas and R.T. Hopkins},
  year = {1984},
  doi = {10.3133/i1360j},
  url = {https://pubs.usgs.gov/publication/i1360J},
  note = {Source identifier: i1360J}
}