Blueprint. Inset: Map showing routes to Thunder Mountain. Scale [1:1,647,360]. "Thunder Mountain gold fields are reached only via Boise, Ketchum, Mackay, Red Rock or Weiser, all good outfitting points on the Oregon Short Line R.R."
Lewis, Isaac Ives, 1825-1903. --Ketchum and Salmon River Stage Line (Ketchum, Idaho) --Greyhound Mine and Mill Company (Boise, Idaho) --Banks and banking-Idaho-Ketchum-History-Sources. --Coaching-West (U.S.) --Ketchum...
Financial records. Also includes brief material on the Ketchum and Salmon River Stage Lines and the Greyhound Mine and Mill Company, Boise, Idaho.
Personal journals and account books (1870-1901); unidentified business accounts books (1890, 1896); personal journal of McCoy's wife (1907-1908); unidentified account book (1936), and miscellaneous correspondence.