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

"New York City Water Supply." West Basin of Ashokan Reservoir, Showing Ashokan Bridge and Upper Gate Chamber, Catskill Mts., N. Y.

"New York City Water Supply." Waste Channel of Ashokan Reservoir Showing Screen Chamber, Catskill Mts., N.Y.

Olive Bridge Dam, Downstream Face [Catskill System.]

"New York City Water Supply." East Basin of Ashokan Reservoir from New York City Boulevard, Catskill Mts., N.Y.

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

Ashokan Bridge and Olive Bridge Dam [Catskill System.]

East Basin of Ashokan Reservoir Looking Northwest [Catskill System.]

Ashokan Reservoir Basin Before Construction [Catskill System.]

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

"New York City Water Supply." Aerating the Water, Ashokan Reservoir, Catskill Mts., N. Y.

"New York City Water Supply." Arch Bridge at the Dividing Weir, Ashokan Reservoir, Catskill Mts., N. Y.

Esopus Highway Bridge at West End of Ashokan Reservoir [Catskill System.]

Traver Hollow Bridge, Ashokan Reservoir [Catskill System.]

"New York City Water Supply." Ashokan Reservoir from New York City Boulevard, Catskill Mts., N. Y.

"New York City Water Supply." Aerating the Water, Ashokan Reservoir, Showing Screen Chamber, Catskill Mts, N. Y.

"New York City Water Supply." Looking Over the Spillway of Ashokan Reservoir, Catskill Mts., N. Y.

Showing Bridge Over Esopus, Catskill Mts., N. Y. View Above Ashokan Reservoir, Looking Toward Phoenicia.

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

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