Famous Horseshoe Curve among Allegheny Mts. (2,571 ft. long, 1,200 ft. across ...).
Steel works, Hamstead, Pa. - famous source of dirt and dollars.
Steel works, Hamstead, Pa. - famous source of dirt and dollars.
Beaver Falls.
Photographer: Noss, H.
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Conemaugh River.
Photographer: Moran, John (1831-1903)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
View at Allegheny City.
Publisher: Knowlton Bros.
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
The great Carnegie Mills. Strikerson the look-out, Homestead, Pa. U.S.A.
Publisher: Jarvis, John Fillis
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Scene of the Battle with Pinkertons, Homestead, Pa., U.S.A.
Publisher: Jarvis, John Fillis
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Tyrone, Pa., Scene on Logan Ave., from 14th St.
Female Seminary, Hollidaysburg, Pa.
Female Seminary, Hollidaysburg, Pa.
Female Seminary, Hollidaysburg, Pa.
Above Altoona.
Near Sharpsburg, West Pa.
In the forest between Cresson and Loretto.
View of flood at Allegheny City, Penn.
View of flood at Allegheny City, Penn.
The ruins of Chambersburg from the Market House, looking southward ...
Main Street, looking south.
Penn. R. R. bridge at Cresson, Allegheny Mountains.
Glycerine factory explosion, Oct. 2, 1877. Tarport, Pa.
Photographer: Wiley, E.
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Logan House. Altoona, Penna. Rail Road.
Railroad tunnel and tracks through mountain.
Photographer: Gutekunst, Frederick (1831-1917)
Subjects: Pennsylvania, Pennsylvania, Railroad tunnels, Pennsylvania, Railroad tracks
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pennsylvania, Railroad tunnels, Pennsylvania, Railroad tracks
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Kissoquoquilla Creek, P. C. R. R.
Publisher: E. & H.T. Anthony & Co.
Subjects: Pennsylvania, Pennsylvania, Rivers
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Pennsylvania, Rivers
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Pine St. looking north, Williamsport, Pa.
Bridge across the river, Williamsport, Penn’a.
Early morning on the Juniata, Pennsylvania.
Suspension bridge W'msport.
Near Huntingdon, Penna. R. R.
Subjects: Pennsylvania, Pennsylvania, Dams
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Dam, west of Huntingdon.
Publisher: Henderson, R.S.
Subjects: Pennsylvania, Railroad tracks, Pennsylvania, Dams, Huntingdon (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Subjects: Pennsylvania, Railroad tracks, Pennsylvania, Dams, Huntingdon (Pa.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]