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"Downstream previous embankment from north end of dam."

"Looking at North Portal from center line of open cut."

"Runoff after a thaw crossing the open cut aqueduct about Sta. 748 75. Five feet of bank separate ditch from open cut excavation."

"Great Notch Tunnel office and garage."

"Wanaque Aqueduct, Great Notch Tunnel, North Portal cut."

"Wanaque Aqueduct, Great Notch Tunnel, North Portal, breast of heading."

"Wanaque Aqueduct, Great Notch Tunnel, North Portal from portal entrance."

"South Portal cut down about 4 feet to surface of sandstone rock."

"Looking south from Sta. 1 00 of base line of dam."

"Looking north from left 140 ft. of Sta. 13 00 of base line of dam."

"Rock cleared and ready for the placing of the invert of the upper stream control conduit between Elev. 28.75 ft. and Elev. 46.5 ft."

"Slushing impervious material excavated from the Line's river flats into place."

"Looking south along cut and cover aqueduct from South Portal."

"Looking north into South Portal, heading is in 110 feet all timbered. Starting to take up bench, pumping 300 gallons per minute."

"Looking into South Portal from center line of open cut. 6 inch centrifugal pump installed on platform over portal keeps tunnel clear of water."

"Looking north from Sta. 843 25 showing timbered portion of tunnel near South Portal."

"Looking south along center line of open cut aqueduct from Sta. 844 25. Hoar mechanical shovel is working in aqueduct cut on right. Spoil bank on the left."

"Excavating open cut aqueduct with Hoar shovel loading into a 3 yd. side dump car hauled by a 6 ton Whitcomb locomotive."

"Detail of operation of Hoar shovel."

"Hoar mechanical shovel showing operating levers and position for revolving."

"Open cut aqueduct excavation operations in shallow cut."

"Looking north from R-245 ft. of Sta. 12 35 of center line of dam. Crib section of diverting dam under construction."

"Looking southeast from R-370 ft. of Sta. 9 00 of center line of dam. The upstream face of the stream control diverting dam spillway and sluiceway."

"Looking east from R-180 ft. of Sta. 12 35 of center line of dam. Upper barrel of stream control conduits completed to beginning of last curve."

"Looking northwest from R-100 ft. of Sta. 12 62 of center line of dam. The downstream side of the stream control diverting dam."

"Looking southwest from L-90 ft. of Sta. 10 00 center line of dam."

"Wanaque Dam stream control conduit downstream end."

"Wanaque Dam stream control conduit upstream side of temporary diversion dam."

"Wanaque Dam south end looking north at aerator fill and downstream embankment."

"Wanaque Dam stream control conduit downstream end of upper barrel."

"Wanaque Dam south end looking north."

"Panorama looking north from Trincheri Road of part of the upper basin."

"Panorama from west to north of part of the upper basin north of Trincheri Road, Board mountain in background.

"Panorama from top of C. W. Sta. 10 72 of length of upper barrel of stream control conduits constructed."

"Car used in placing invert of the lower conduit for the first 90 feet."

"Outlet of upper conduit before diverting river."

"Workmen preparing to drop stop-planks in sluiceway to divert river."

"Panorama of area west and north of diverting dam before closing the sluiceway."

"Sluiceway of diverting dam immediately after the stop-planks had been dropped."

"River bed west of corewall after diversion of river and unwatering."

"Intake of upper conduit after the closing of sluiceway, water beginning to enter 5:00 P.M."

"Looking into upper conduit from outlet, dry weather flow."

"Panorama of upper half of Wood Cliff Lake Reservoir owned by the Hackensack Water Co. Water level 14 feet below normal."

"Wood Cliff Lake Reservoir dam with water level 14 feet below normal."

"Panorama of upper half of Oradell Reservoir owned by Hackensack Water Co. at end of protracted drought."

"Oradell dam at end of drought."

"Lower half of Oradell Reservoir at end of drought."

"Panorama of Clinton Reservoir from end of dam at end of protracted drought."

"West shore line of Jersey City Reservoir at end of protracted drought."

"Panorama of Jersey City Reservoir dam. Water 22 feet below normal."

"Looking up the Rockaway River from highway bridge which crosses a section of Jersey City Reservoir."

"Panorama of area west and north of diverting dam after a 4 inch rainfall (Oct. 22, 23, 24)."

"Panorama of diverting dam and upper conduit intake after a 4 inch rainfall (Oct. 22, 23, 24)."

"Spillway of diverting dam with 10 inches of water on crest."

"Outlet of upper conduit during flood, Oct. 24-25."

"Looking into outlet of upper conduit during flood period."

"Laboratory, still, drying rack and Sedgwick-raftes funnels."

"Laboratory, work in progress."

"Autoclave and chemical supplies (laboratory)."

"Sample table, sterilizer, drying oven, ice chest, incubators, balance hood (laboratory)."

"Chemical analysis bench with ammonia stills (laboratory)."

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