Map and profile of the Sunbury route Susqua. Rail Road from the terminus of York & Cumberland Railway to Williamsport Pennsa. showing its connection with the great southern anthracite coal fields; 1st by the Dauphin & Susqa. Rail Road, 2d by the Lykins Valley Rail Road, 3d by the Treverton Rail Road, 4th by the Shamokin Rail Road, surveyed by Geo. P. Worcester, Civ. Engr. and the Williamsport and Elmira Route surveyed under the directions of Maj. Hartman Bache Topog. Engr. U.S.A., by Geo. P. Worcester Civ. Engr. for Balto. & Susqua. R.R.