[Archive of Photographs Documenting the Construction of the Lanpher Reservoir to Provide Water to Pittsburgh]
[Allegheny County: 1913-1914]. 222 photographs, each measuring 6.25 x 8.25 inches. Intermittent minor wear and slight chipping at edges. A few images with small losses at corners, not seriously affecting images. Photos generally clear and sharp. An extensive collection of nearly 225 professional engineering photographs that document the construction of..... More