Valley of St. George's Creek, Pa. [boy sitting by creek].

Valley of St. George's Creek, Pa., [several people posing for a portrait].

Valley of St. George's Creek, Pa., [several people posing for a portrait].

High rock observtory near Penmar, Pa. on the line of the W.M. R.R.

Canal aqueduct over the Conocochague Creek, Williamsport, Md. on line of W.M. R.R.

On the Chesapeake & Ohio Canal under Pinnacle Mountain [boy in foreground].

From Pinnacle Mountain. The Blue Ridge in the distance. [boys on Pinnacle Mt.]

Great stone viaduct at "Washington Junction" by which the "Washington Branch" of the Baltimore and Ohio Railroad crosses the river, nine miles from Baltimore.

Great stone viaduct (over the Patapsco River) at "Washington Junction" by which the Washington Branch" of the Baltimore & Ohio Railroad crosses the river, nine miles from Baltimore.