View at Allegheny City.
Publisher: Knowlton Bros.
Photographer: Knowlton Bros.
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Photographer: Knowlton Bros.
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Logan House, Altoona.
View of flood at Allegheny City.
The Horse Shoe Curve.
Publisher: Continent Stereoscopic Co.
Photographer: Continent Stereoscopic Company
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Photographer: Continent Stereoscopic Company
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Horse Shoe Curve.
The City of Bolivar, Pa. (showing the railroad going through).
Publisher: Continent Stereoscopic Co.
Photographer: Continent Stereoscopic Company
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Photographer: Continent Stereoscopic Company
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Kittaning, Pennsylvania.
The Horseshoe Curve, Pennsylvania.
Publisher: White, H.C. & Co.
Photographer: H.C. White Co.
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Photographer: H.C. White Co.
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
The blast furnaces and rolling mills of the Homestead Steel Works.
Publisher: White, H.C. & Co.
Photographer: H.C. White Co.
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Photographer: H.C. White Co.
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
Famous Horseshoe Curve among Allegheny Mts. (2,571 ft. long, 1,200 ft. across ...).
Photographer: Underwood & Underwood
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]
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]
