Portage Viaduct (timber), 1852 [at border of Livingston and Wyoming Counties ?, NY] Viaduct across the Genesee River at Portage, N.Y. Buffalo and New York City Railroad [N. Y. L. E. & W. R. R.] Built 1852. Silas Seymour, Chief Engineer. Print in two pieces: (1): side view showing General Elevation (33 x 30.5); (2) side view of towers; end view of towers (23 x 30.5) Folders 69-a,b
Bibliography:
Cooper Bridge Plan Collection, #4709. Division of Rare and Manuscript Collections, Cornell University Library.
Cite As:
Cooper bridge collection, 1887-1889 (bulk) #4709. Division of Rare and Manuscript Collections, Cornell University Library.
