collection: Train on P. & O.R.R., White Mt. Notch, N.H.

collection: Train on P. & O.R.R., White Mt. Notch, N.H.

collection: Train on P. & O.R.R., White Mt. Notch, N.H.

collection: Train on P. & O.R.R., White Mt. Notch, N.H.

collection: Train on P. & O.R.R., White Mt. Notch, N.H.

collection: Train on P. & O.R.R., White Mt. Notch, N.H.

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: P. & O.R.R., Crawford Notch, N.H.

collection: Train on P. & O.R.R., White Mt'n. Notch.

collection: Grading the P. & O.R.R., Crawford Notch.

collection: Frankenstein Cliff, P.& O.R.R., Crawford

collection: Railroad Cut, P. & O.R.R.

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: Frankenstein Trestle, P. & O.R.R

collection: … Trestle work. (B) P. & O.R.R.

collection: McGilliveray Cut, P. & O.R.R. Crawford Notch

collection: … Trestle, P. & O.R.R., Crawford Notch, N.H.

collection: … Trestle, P. & O.R.R., Crawford Notch, N.H.

collection: … Trestle and Train, P. & O.R.R., Crawford Notch

collection: … Trestle and Train, P. & O.R.R., Crawford Notch

collection: … the P. & O.R.R.), Crawford Notch, N.H.

collection: …, P. & O.R.R., Crawford Notch, N.H.

collection: …, P. & O.R.R., Crawford Notch, N.H.

collection: P. & O.R.R., White Mountain Notch, N.H.

collection: … Trestle and Train, P. & O.R.R., White Mountain

collection: … Mountain Notch, N.H. P. & O.R.R.

collection: … Trestle and Train, P. & O.R.R., White Mountains

collection: … Trestle, P. & O.R.R., White Mountains, N.H.

collection: … Trestle, P. & O.R.R. White Mountains, N.H.

collection: … Trestle, P. & O.R.R. White Mountains, N.H.

collection: … and Train, P. & O.R.R., Crawford Notch, N.H.

collection: Gates of Crawford Notch, P. & O.R.R.

collection: Gates of Crawford Notch and P. & O.R.R.

collection: Gates of Crawford Notch and P. & O.R.R.

collection: … Trestle and Cliff, P.& O.R.R., Crawford Notch.