MapMap of the Western Vermont Rail Road and connecting lines, Wm. B. Gilbert, Chief Engineer. Map of western New England showing drainage, relief by hachures, state and county boundaries, and cities and towns. Chartered in 1845.
- Contributor: Gilbert, William - Western Vermont Railroad
- Date: 1851
MapMap showing the location of the N.Y. & Oswego Midland R.R. with existing and proposed connection, January 1st 1869, [by Van R. Richmond, State Engr. & Surv.] Map of New York State and vicinity showing drainage, canals, cities and towns, and named railroads. January 1st, 1870 edition has "W. B. Gilbert, Chief Engineer."
- Contributor: Gilbert, William - Richmond, Van R. - New York & Oswego Midland Railroad
- Date: 1869