The Rocky Mountain Letters of Robert Campbell
Originally published in
The National Atlas and Tuesday Morning Mail
, 1836
Letter I - Lewis' Fork, July 18th, 1832
Letter II - Green River, Rocky Mountains, July 10, 1833
Letter III - Fort William, Nov. 16th, 1833
Letter IV - Fort William, Dec. 8th, 1833
Letter V - Rocky Mountains, July 12, 1836