2 maps : ms., ink on linen and ink on paper (some col.) ; 57 x 78 cm. and smaller.
Change of line at Russel Gulch, Black Hawk Branch. [Gilpin County, Colorado map] : Improvement of line at Russell Gulch, Nov. 21st. '82 / Robert B. Stanton, Div. Engr.,C.C. R.R.
"With letter of Oct. 12, 1881 Robt. B. Stanton, Div. Engr." Railroad survey maps. Township 3 South, Range 27 west, section 21 and 28. "Received Sept. ll, 1890 Chief Engr's Office UP Ry Omaha" Firm job no.:H-7-48 and 156-1198.
[S. l. : The Rail Road Company, 1881-1882].
G4313 .G5P3 1881-1882 .C6C4