@misc{indiciae0159b8913b4d,
  title = {Heavy-mineral variability in bottom sediments of the lower Chesapeake Bay, Virginia},
  author = {F. Firek and G. L. Shideler and P. Fleischer},
  year = {1977},
  doi = {10.1016/0025-3227(77)90020-2},
  url = {https://pubs.usgs.gov/publication/70011116},
  note = {Source identifier: 70011116}
}