topic

• Railroads49
• Trestles41
• Railroad tracks22
• Mountains16
• Columbia River10
• More Less

name

• Portland & Ogdensburg Railroad Company73
• Kilburn Brothers24
• G. H. Aldrich & Co21
• Watkins, Carleton E., 1829-191612
• Pease, N. W. (Nathan W.), 1836-191810
• More Less

collection

• Robert N. Dennis collection of stereoscopic views88

place

• New Hampshire74
• White Mountains (N.H. and Me.)72
• Crawford Notch (N.H.)71
• Oregon9
• California4
• More Less

genre

• Photographs88

division

• Wallach Division: Photography Collection88

type