File Afton, NY Depot Grounds: Alignment and Property Ownerships, Plus Profile (Two Sheets in Set), Undated Map-tube 108 Repository Business, Literary, and Local History Manuscripts » Bridge Line Historical Society Collection, 1870-2024 » Maps, Blueprints, and Drawings, 1870-2004
File Automatic Switch Heaters Installed at "DE" Cabin, 1955 Map-tube 338 Repository Business, Literary, and Local History Manuscripts » Bridge Line Historical Society Collection, 1870-2024 » Maps, Blueprints, and Drawings, 1870-2004
File Ballston, NY Trackage, Undated Map-tube 69 Repository Business, Literary, and Local History Manuscripts » Bridge Line Historical Society Collection, 1870-2024 » Maps, Blueprints, and Drawings, 1870-2004
File Bill of Material for Sanitary Closet and Septic Tank for Railroad with Schematic (Reproduction of 1919 Record), Undated Map-tube 316 Repository Business, Literary, and Local History Manuscripts » Bridge Line Historical Society Collection, 1870-2024 » Maps, Blueprints, and Drawings, 1870-2004
File Blueprint of New Engine House in Menands, Undated Map-tube 267 Repository Business, Literary, and Local History Manuscripts » Bridge Line Historical Society Collection, 1870-2024 » Maps, Blueprints, and Drawings, 1870-2004
File Blueprint of Train Tracks in Beekmantown, NY, Undated Map-tube 91 Repository Business, Literary, and Local History Manuscripts » Bridge Line Historical Society Collection, 1870-2024 » Maps, Blueprints, and Drawings, 1870-2004
File Bridge 1: Penn Division, Rolled Beam Bridge of Plymouth Junction (PA), 1890 Map-tube 109 Repository Business, Literary, and Local History Manuscripts » Bridge Line Historical Society Collection, 1870-2024 » Maps, Blueprints, and Drawings, 1870-2004
File Bridge No. 26, Penn Division, 1887 Map-tube 71 Repository Business, Literary, and Local History Manuscripts » Bridge Line Historical Society Collection, 1870-2024 » Maps, Blueprints, and Drawings, 1870-2004
File Bridge Number 36, Penna. Division, 1890 Map-tube 112 Repository Business, Literary, and Local History Manuscripts » Bridge Line Historical Society Collection, 1870-2024 » Maps, Blueprints, and Drawings, 1870-2004
File Bridges 44A, 53, 55, Penn Division (five drawings); One Marked "Reinforcing of Old Bridge 53, To be Used at Anthracite Park, Penn Div" (Reproductions of 1900's Maps), Undated Map-tube 16 Repository Business, Literary, and Local History Manuscripts » Bridge Line Historical Society Collection, 1870-2024 » Maps, Blueprints, and Drawings, 1870-2004