@misc{indiciaed844e2e3e9f2,
  title = {Comparative tests of run-of-mine and briquetted coal on the torpedo boat Biddle},
  author = {Walter T. Ray and Henry Kreisinger},
  year = {1909},
  doi = {10.3133/b403},
  url = {https://pubs.usgs.gov/publication/b403},
  note = {Source identifier: b403}
}