Material consists of correspondence with Idaho State Historical Society officials Gertrude McDevitt, H. J. Sweeney and Merle Wells from 1932-1959 regarding Idaho territorial history, Pacific Northwest fur trade routes. The correspondence includes...
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."
Hachured. Hand colored. Pages 192 & 193 from one of Cram's Atlas' published 1879. Scale: 23 miles to an inch. Map index lists names and locations of cities and geographic features. Principal roads and rail road routes are shown. 59 x 44 cm.