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New York, Westchester, & Boston Railway

New York and Harlem Rail Road

New York & Harlem Railroad

Report of Captain Douglas Galton, Royal Engineer, C.B., F.R.S., on the New York Elevated Rail Road

Map of Chester Hill, Mount Vernon, New York, Property of Frederick P. Forster, and Murphy, Winfield & Luros

[Trolley Car Transfer]

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New York Central

Mr. Geo. Semler, Mount Vernon.

Plan of Chester Hill, Mount Vernon, Westchester Co. New York.

[Trolley Car Transfer]

Manhattan Railway Company

St. Paul's Church, Mount Vernon. July 8, 1949.

Residence, George Semler's Residence and Sons and Dogs, Mt. Vernon.

Residence, George Semler's Residence and Sons and Dogs, Mt. Vernon.

Geo. Semler's, Mount Vernon.

Mr. Geo. Semler.