@misc{indiciaef12d01d32721,
  title = {Corn movements in the United States : interregional flow patterns and transportation requirements in 1977 — Illustration, BHL page 16525343},
  year = {1981},
  url = {https://www.biodiversitylibrary.org/page/16525343},
  note = {Source identifier: page-16525343}
}