Typical Pressure Tunnel Construction Shaft [Catskill System.]
Bryn Mawr Connection Chamber at Commencement of Yonkers Pressure Tunnel [Catskill System.]
By-Pass Aqueduct Around Kensico Reservoir 11 Feet in Diameter [Catskill System.]
Rondout Pressure Tunnel Showing Partial and Total Concrete Lining [Catskill System.]
Drilling and Mucking Bench [of] Lower Half of Tunnel [Catskill System.]
Typical Stages of Cut-and-Cover Construction [Catskill System.]
Hudson Pressure Tunnel, Showing Exploratory Borings [Catskill System.]
Hauling 11 Feet, 3 Inch Diameter Steel Pipe for Bryn Mawr Siphon [Catskill System.]
Interior of Typical City Tunnel Shaft Chamber [Catskill System.]
Bonticou Grade Tunnel Portal and Bonticou Crag [Catskill System.]
Kensico Aerator and Screen Chamber [Catskill System.]
Tunnel Drills Working on Bench After Drilling Heading [Catskill System.]
Kensico Dam, Looking North-West [Catskill System.]
Finished Cut-and-Cover Aqueduct [Catskill System.]
Ashokan Reservoir From High Point 3200-Feet Above Water Surface [Catskill System.]
Discharge Portal of Croton Lake Blow-Off of Catskill Aqueduct [Catskill System.]
Kensico Dam From South-West [Catskill System.]
Bucket Used to Lower Men and Materials During Sinking of Tunnel Shafts [Catskill System.]
Breakneck Gaging Chamber [Catskill System.]
Indian Brook Siphon and North Siphon Chamber [Catskill System.]