@misc{indiciaec44c4f01e774,
  title = {Isopach map of Holocene sedimentary units, Norton Sound, Alaska},
  author = {David A. Steffy and B. W. Turner and L. D. Lybeck and J. T. Roe},
  year = {1981},
  doi = {10.3133/ofr81720},
  url = {https://pubs.usgs.gov/publication/ofr81720},
  note = {Source identifier: ofr81720}
}