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

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

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

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

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

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

Ashokan Reservoir, Showing Roadway on Traver Hollow Bridge, Catskill Mountains, N.Y.

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

Ashokan Reservoir, Twin Bridges at Watson Hollow, Catskill Mts., N.Y.

Looking Over the Spillway, Showing Overflow and Waste Weir, Ashokan Reservoir, Catskill Mts., N. Y.

Running Over Spillway Bridge, Catskill Mts., N. Y. The Ashokan Reservoir Waste Weir, Showing New York City Boulevard.

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

Ashokan Reservoir, One of the Twin Bridges at Watson Hollow, Catskill Mts., N.Y.

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

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

"New York City Water Supply." Looking Over the Spillway of Ashokan Reservoir, 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.