@misc{indiciae699675ecbe5f,
  title = {A quantitative analysis of naiad mollusks from the Prairie du Chien, Wisconsin dredge material site on the Mississippi River},
  author = {M.E. Havlik and L. L. Marking},
  year = {1980},
  url = {https://pubs.usgs.gov/publication/1003353},
  note = {Source identifier: 1003353}
}