Above Horseshoe Curve.

Dam at Tipton.

Dam at Tipton.

View at Horse Shoe.

Near Whetham.

Horse Shoe Curve.

Bryn Mawr.

Wissahickon.

Near Huntingdon.

Lincoln Monument, Fairmount Park, Philada.

Wissahickon.

Cambria Iron Works.

Jackstown Aqueduct.

Pack Saddle.

Columbia Tunnel.

Fairmount Park.

Coatesville Bridge.

Pack Saddle.

Pack Saddle.

Pack Saddle.

Horse Shoe Curve, above Altoona.

Horse Shoe Curve.

View in the Pack Saddle.

Pack Saddle Curve.

Blairsville Tunnel.

U. S. Arsenal, Pittsburg [sic].

U. S. Arsenal, Pittsburg [sic].

Grain elevator, Pittsburgh.

Carr’s Tunnel.

Pack Saddle.