Special report of a reconnoissance [sic] of the route for the Northern Pacific Railroad between Lake Superior and Puget Sound via the Columbia River, made in 1869 [microform] /
Roberts, W. Milnor(William Milnor),1810-1881.
Jay Cooke & Co.lcn01411039
[Philadelphia? : J. Cooke & Co.?,
1869?]
Signed: W. Milnor Roberts.
Tables.
Sabin 71939.
Sabin Unit 149.
ECO-078.
Microfiche.
Northern Pacific Railway Company.