@misc{indiciaeabdb73102349,
  title = {Heavy metal contamination of sediments in the upper connecting channels of the Great Lakes},
  author = {S. Jerrine Nichols and Bruce A. Manny and Donald W. Schloesser and Thomas A. Edsall},
  year = {1991},
  doi = {10.1007/bf00024763},
  url = {https://pubs.usgs.gov/publication/1000603},
  note = {Source identifier: 1000603}
}