Hudson Pressure Tunnel, Showing Exploratory Borings [Catskill System.]
Plan and Transverse Section of Hillview Reservoir [Catskill System.]
Interior of Typical City Tunnel Shaft Chamber [Catskill System.]
Typical Pressure Tunnel Construction Shaft [Catskill System.]
Typical Details of Ashokan Full-Capacity Venturi Meter [Catskill System.]
Bucket Used to Lower Men and Materials During Sinking of Tunnel Shafts [Catskill System.]
Drilling and Mucking Bench [of] Lower Half of Tunnel [Catskill System.]
Bryn Mawr Connection Chamber at Commencement of Yonkers Pressure Tunnel [Catskill System.]
Tunnel Drills Working on Bench After Drilling Heading [Catskill System.]
Kensico Aerator and Screen Chamber [Catskill System.]
Method of Laying Narrows Siphon [Catskill System.]
Breakneck Gaging Chamber [Catskill System.]
Kensico Dam, Looking North-West [Catskill System.]
Rondout Pressure Tunnel Showing Partial and Total Concrete Lining [Catskill System.]
Yonkers Pressure Tunnel, 16-Feet, 7 Inches in Diameter [Catskill System.]
Ashokan Aerator and Screen Chamber [Catskill System.]
Typical Stages of Cut-and-Cover Construction [Catskill System.]
Finished Cut-and-Cover Aqueduct [Catskill System.]
New Croton Aqueduct - Head House at Shaft 19 [Croton System.]
Construction Plant for City Tunnel at Shaft 9, 150th Street and St. Nicholas Avenue [Catskill System.]