@misc{indiciae6594008bbfe4,
  title = {Map of the all American Route showing proposed railroad and U.S. Government Mail Road to the Yukon; issued by Central Alaska Transportation \& Trading Co.; compiled by B. F. Millard and Emil Mahlo, Topographical Engineer, U.S. Alaska Exploration Expedition Capt. W.A. Abercrombie, U.S.A. Commanding},
  author = {mahlo, emil and millard, b. f.},
  year = {1899},
  url = {https://www.loc.gov/item/98688442/},
  note = {Source identifier: 98688442}
}