TY  - MAP
TI  - Explorations and surveys for a rail road route from the Mississippi R. to the Pacific Ocean : routes near the 47th and 49th parallels : Milk R. to the crossing of the Columbia R.
AU  - united states. war department
AU  - stevens, isaac ingalls
PY  - 1855
UR  - https://www.loc.gov/item/2022585173/
ID  - 2022585173
ER  -