[Construction of the Ashokan Dam.]

View of the Main Dam of the N. Y. City Water Supply, Brown's Station, in the Catskills, N. Y.

View of the Main Dam of the N. Y. City Water Supply, Brown's Station, in the Catskills, N. Y.

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

Bishops Falls, Brown's Station.

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

Ashokan Bridge and Olive Bridge Dam [Catskill System.]

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

"New York City Water Supply." Aerating the Water, Ashokan Dam, Catskill Mountains, N.Y.

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

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

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

Olive Bridge-in-the-Catskills, N.Y. At the Ashokan Dam. Gorge below Coffer Dams. N.Y. City Water Supply Works.

Olive Bridge Dam, Downstream Face [Catskill System.]

Ashokan Bridge Over Dividing Weir at Ashokan Reservoir [Catskill System.]

"New York City Water Supply." Olive Bridge Dam, Ashokan Reservoir Showing Esopus Canyon, Catskill Mts., N. Y.

Olive Bridge Dam, Downstream Face [Catskill System.]

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