topic

• Locks (Hydraulic engineering)1

name

• Sterro-Photo Co2

collection

• Robert N. Dennis collection of stereoscopic views2

place

• New York (State)2
• Lockport (N.Y.)1
• Utica (N.Y.)1

genre

• Photographs2
• Stereographs2

publisher

division

• Wallach Division: Photography Collection2

type

• still image2