@misc{indiciaed6b65f986589,
  title = {Bathymetric map of the Aleutian Trench and Bering Sea},
  author = {Glenn Schumacher},
  year = {1976},
  doi = {10.3133/ofr76821},
  url = {https://pubs.usgs.gov/publication/ofr76821},
  note = {Source identifier: ofr76821}
}