First Pipes Ashakan Dam. High Plains to left, Near Browns Station, N.Y.

Pipe Line & Copper Dam, Ashakan Reservoir. Near Brown's Station, N. Y.

Reservoir Dam, Esopus Creek near Browns Station, N.Y.

Footbridge. Ashokan Dam, High Point Mountain, near Browns Station, N. Y.

Reservoir Dam, Esopus Creek, near Browns Station, N. Y.

Footbridge. Ashokan Dam, High Point Mountain, near Browns Station, N. Y.

Esopus Creek below Ashokan Dam, Browns Station, N. Y.

First Pipes Laid at Ashokan Reservoir 1907.

Ashokan Dam, showing High Point, Catskill Mountains, N.Y.

W. D. R. R. and Big Swamp, Browns Station, N. Y.

Boulevard on top of Ashokan Dam and Gate Chamber, Catskill Mts., N. Y.

Bird's-Eye View Bishop Falls. Prospective Site of the Ashokan Reservoir, Ashokan, N. Y.

The Four Great Draw Towers at Work in the Main Dam of the N.Y. City Water Supply, Brown's Station, in the Catskills N. Y.

"New York City Water Supply." Olive Bridge Dam of the Ashokan Reservoir Showing "High Point," Catskill Mts., N.Y.

Aerating the Water, Ashokan Reservoir. Showing the Gate Chamber and Round Top Mountain, Catskill Mts. N. Y.

The Ashokan Reservoir Waste Weir, showing New York City Boulevard, running over Spillway Bridge, Catskill Mountains., N. Y.

[Construction of the Ashokan Dam.]

Street Scene and Working Men's Quarters in the Ashokan District, Brown's Station, in the Catskills, N.Y. Site of N.Y. City Water Supply.

Tongore Siphon Chambers at Left With Olive Bridge Dam Beyond [Catskill System.]

Ashokan Reservoir Water Channel and Beaverkill Bridge at Brown Station, Catskill Mountains, N. Y.