@misc{indiciaebaf3d30d38b9,
  title = {Sediment classification and the characterization, identification, and mapping of geologic substrates for the glaciated Gulf of Maine seabed and other terrains, providing a physical framework for ecological research and seabed management},
  author = {Page C. Valentine},
  year = {2019},
  doi = {10.3133/sir20195073},
  url = {https://pubs.usgs.gov/publication/sir20195073},
  note = {Source identifier: sir20195073}
}