The Iron Bridge and ruins of Old Mill, near Spence Creek, Huntington Co.

The Iron Bridge and ruins of Old Mill, near Spence Creek, Huntington Co.

The Iron Bridge and ruins of Old Mill, near Spence Creek, Huntington Co.

A scene on a branch of the Juniata, Huntington [sic] Co.

The Cresson Mountain House.

The Cresson Mountain House.

Braddock’s Field, on the Monongahela – the place of Braddock’s defeat and death.

The beautiful Suspension Bridge across the Allegheny, at St. Clair St. Pittsburgh.

Winter at Cresson, summer resort, on the P. R. R. among the wilds of the Alleghenies.

Winter at Cresson, summer resort, on the P. R. R. among the wilds of the Alleghenies.

Winter at Cresson, summer resort, on the P. R. R. among the wilds of the Alleghenies.

Winter at Cresson, summer resort, on the P. R. R. among the wilds of the Alleghenies.

Winter at Cresson, summer resort, on the P. R. R. among the wilds of the Alleghenies.

Winter at Cresson, summer resort, on the P. R. R. among the wilds of the Alleghenies.

Winter at Cresson, summer resort, on the P. R. R. among the wilds of the Alleghenies.

Winter at Cresson, summer resort, on the P. R. R. among the wilds of the Alleghenies.

P. R. R. shops’ Altoona, Pa. on turn-table, in western round-house.

P. R. R. shops’ Altoona, Pa. turn-table, in western round-house.

P. R. R. shops’ Altoona, Pa. interior of locomotive black-smith shop.

P. R. R. shops’ Altoona, Pa. interior of locomotive black-smith shop.

P. R. R. shops’ Altoona, Pa. interior of locomotive black-smith shop.

P. R. R. shops’ Altoona, Pa. interior of western round-house.

P. R. R. shops’ Altoona, Pa. From middle round-house north east.

P. R. R. shops, Altoona, Pa. Wheel-foundry.

P. R. R. shops, Altoona, Pa. Wheel-foundry.

P. R. R. shops, Altoona, Pa. Boiler-shop.

P. R. R. shops, Altoona, Pa. Boiler-shop.

P. R. R. car shops, Altoona, Pa.

P. R. R. car shops, Altoona, Pa.

P. R. R. car shops, Altoona, Pa.