[Construction of the Ashokan Dam.]

Ashokan Bridge and Olive Bridge Dam [Catskill System.]

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

Footbridge. Ashokan Dam, High Point Mountain, 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.

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

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

Olive Bridge Dam, Downstream Face [Catskill System.]

Olive Bridge Dam, Downstream Face [Catskill System.]

Dividing Weir and Ashokan Bridge [Catskill System.]

Olive Bridge Dam, Relocated Highway in Foreground [Catskill System.]

Ashokan Reservoir Basin Before Construction [Catskill System.]

First Pipes Laid at Ashokan Reservoir 1907.

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

Bishops Falls, Olive Bridge, Catskills Mts., Ashokan Reservoir Dam, New York City's Future Water Supply.

Waste Weir of Ashokan Reservoir, December 1916 [Catskill System.]

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

Ashokan Aerator and Screen Chamber [Catskill System.]

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