@misc{indiciaed3600143458f,
  title = {Shad fishery of Chesapeake Bay with special emphasis on the fishery of Virginia},
  author = {Charles H. Walburg and James E. Sykes},
  year = {1957},
  url = {https://pubs.usgs.gov/publication/rr48},
  note = {Source identifier: rr48}
}