Special Report Of A Reconnoissance Of The Route For The Northern Pacific Railroad Between Lake Superior And Pubet Sound, Via The Columbia River, Made In 1869, By W.milnor Roberts, U.s. Civil Engineer,

소개

This is a special report documenting the 1869 reconnaissance of the proposed route for the Northern Pacific Railroad, conducted by W. Milnor Roberts, a U.S. Civil Engineer, under the direction of Messrs. Jay Cooke & Co. The report details the survey of the route between Lake Superior and Puget Sound, via the Columbia River.