Sanborn Map Company Opened a Map School in Pelham Before Opening its New Map Factory in 1906
... Will Open a Course of Instruction for Workmen -- QUARTERS IN NEW HOUSE NOW ON FOURTH AVENUE , Daily Argus [Mount Vernon, NY], Apr. 30, 1906, No. 4304, p. 1, col. 2 . Labels: 1906 , 1907 , Fourth Avenue , Fourth Street , Philip Godgrey , Sanborn Map ...