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    Steam Shovel No. 225 wrecked by Rock Slide

    North of Gold Hill, July 5, 1911.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Steam Shovel No. 254 Flooded by Heavy Rain in Pioneer Cut, Culebra, October 2, 1911

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Pedro Miguel Locks

    Showing Construction of Upper Guard Gates, West Chamber, Looking South, November 1, 1911.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Pedro Miguel, Showing I.C.C. Mess Hall and Family Quarters, 1911

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Lower Locks. East Chamber

    Looking South from Coffer Dam, Middle and Upper Locks in Distance. January 31, 1912.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut, Culebra. View looking South, from East Bank, Showing Terraces formed in removing superimposed weight from top bank of Canal

    The train in the middle of picture is about El+250. The shovel on extreme left in bottom is at El+65. June, 1912.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Unnamed picture of a small town on a hillside overlooking the ocean, apparently near one end of canal

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Pedro Miguel Locks. East Chamber

    Looking South from forebay. Upper Guard Gates in Foreground. June 4, 1912.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut, Culebra

    Looking North, from West Bank, South of Contractor's Hill. The lowest steamshovel cut is about 16 ft. above the final bottom of the canal. June,

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Upper Locks

    View looking south, showing west forebay and south center approach wall. June 1, 1912.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Upper Locks. Miter gate moving machine

    Structural steel girders for towing locomotive track supports in foreground. June, 1912.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Miraflores lower locks, General view from Berm Crane on east bank

    Looking north. August 10, 1912.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut, Empire. Break in East Bank at La Pita, taking in Pbispo Diversion Channel

    Amount of material involved about 300,000 cu. yds. View looking north. August 21, 1912.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Slide of Stratified Rock, West Bank of Canal, Culebra-on-the-Dump

    Slide involved about 900,000 cu. yds., and moved about 3 feet per day on a slope of one vertical to ten horizontal. View looking towards Culebra.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut, Culebra

    Looking north from West bank near Contractors Hill. The water in center cut shows bottom of canal. Dec. 28, 1912.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    A French Land excavation and Bridge Conveyor near Tabermilla 160ft

    Gauge length over 225 abandoned in 1888. June 1911.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Upper Locks

    Looking out from a Center Wall culvert laying concrete. Oct. 15, 1911.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut. Cucaracha Slide

    Steam shovel No. 256 working on the bottom of the canal. Jan. 4, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Miraflores Lower Locks

    Looking north, showing upper locks in the distance. Jan. 4, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    General View of Ancon Hill and Quarry from Sosa Hill. June 7, 1912

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Blowing up of Gamboa dike, Panama Canal, October 10, 1913

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    The Cut at Bas Obispo during the Flood of Nov.19, 1909

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Mindi Excavation

    View looking North from East Bank, Atlantic entrance in the distance. Jan. 7, 1912

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Spillway

    General view from East Wall North of Bridge, Nov.27, 1912

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Lower Locks

    Looking North from the middle locks. Jan 7, 1913

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Locks

    View looking west from water tower, showing approach to locks. Gatun Dam and spillway in the distance. March. 9th, 1913

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Upper Locks

    Looking north from lightouse on center wall. March. 9th, 1913

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut

    Culebra, Break in East Bank betweem stations 1746-1758. Steam Shovel No.201 in midst of upheaved material and displaced tracks. Looking South. Feb

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Tivolo Hotel, Ancon. Front View

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Upper Locks

    Final test of east emergency dam. Damn swung across lock and third horizontal tier of gates being lowered. May 20, 1913

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Sea level section south of Miraflores locks

    Looking north towards south Dyke. March, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Lower Locks

    Interior view of north approach wall. May 26, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Water flowing into Culebra Cut from Gatun Lake

    After blowing up of Gamboa Dike, Panamal Canal, October 10,1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Lower Locks

    North Entrance, showing completed approach wall. June 14, 1913

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Lower Locks

    Looking south showing completed guide walls, ocean water against south gates, June 20, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut, Culebra

    Deepest portion of Panama Canal, showing Gold Hill on the right and Contractor's Hill on the left, June 1913

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut, Empire

    Looking south from Suspension Bridge, showing terracing on upper levels of East Bank to prevent slides. Lower shovels are working on bottom of

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Pedro Miguel Locks

    South entrance to East Chamber. Loewer middle approach wall on left. June 9, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Lower Locks

    North approach wall. Dredge grounded 55' below sea level, looking northwest, June 14, 1913

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Dam

    General view of from West Hill. May 26, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Dam

    Paving Lake Slope. July 2, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Spillway Dam

    Showing all crest gates in position; water running through temporary openings. June 20, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut, Culebra

    Looking south, showing drainage channel, at bottom of canal closed and tracks destroyed by slide moving in from West Bank and ?ing up bottom, May

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut, Culebra

    Bottom of canal, showing steam shovel No. 250 overturned by slide from east slope, June 19, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Culebra Cut, Culebra

    Blasting a channel through Cucaracha slide. Looking North, October 16, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Washington Hotel, Colon R.P

    Close view of main entrance, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Panama, R.R Dock, Cristobal

    View of new Pier #8, looking southeast. Steel framework for reinforced concrete and shed complete. August 19, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Spillway Dam

    Lower side of gates, looking upstream, July 12, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Gatun Locks

    Looking south form light house on west wall, showing water in west chamber of upper lock. Lake in distance. Oct. 27, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)

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    Operation of Gatun Locks

    Opening the lower guard gates. View looking south from forebay. Sept. 26, 1913.

    Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)