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    Operation of Gatun Locks

    Looking north from north gates, showing lower guard gates in foreground. Dredging fleet in the distance and Atlantic entrance to canal, October 9

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

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    Operation of Gatun Locks

    Dredging fleet. Suction dredge entering lower lock, west chamber. Looking north. Oct. 9, 1913.

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

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    Operation of Gatun Locks

    Dredging fleet entering upper lock, west chamber. Looking north. Water 45 ft above sea level. Oct. 9, 1913.

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

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    Culebra Cut, Culebra

    Crane removing dipper from stream shovel No. 231 wrecked in rock slide on south end of gold hill. August 17, 1913.

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

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    Culebra Cut, Culebra

    View looking north along bottom of canal. August 26, 1913

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

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    Culebra Cut, Cucaracha Slide

    Looking north from 95 ft. level. Laborers loading holes with dynamite. Oct. 10, 1913.

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

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    Culebra Cut, Cucaracha Slide

    Close view of dredges excavacting toe of slide. Dec. 8, 1913.

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

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    Culebra Cut, Cuaracha Slide

    Looking north from west bank. Ladder Dredge Corozal excavating in slide. Dec. 9, 1913.

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

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    Culebra Cut, Culebra

    Looking north from west bank, showing Cucaracha slide on the right. Suction dredge operating on north and south of slides. Oct. 28, 1913.

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

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    Culebra Cut - Empire

    Looking south from west bank near Cunette. Surface of water 72.3 ft. above sea level, October 30, 1913.

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

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    Gamboa Dyke

    Looking north from east bank, showing north end of Culebra cut and canal channel in the distance, Sept. 24, 1913

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

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    Gamboa Dyke

    Flooding of Culebra Cut thru valve pipes. Water entering thru two pipes. Crane removing one of the valves. Oct. 1, '13

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

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    Blowing up Gamboa Dyke

    General View from west hill showing blast. Oct. 10, 1913

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

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    Operation of Pedro Miguel Locks

    Dredging fleet entering east ca chamber of lock. Looking north. Oct. 24, 1913.

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

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    Operation of Pedro Miguel Locks

    Ladder Dredge "Corozel" leaving east chamber and entering Culebra Cut. Dec. 2, 1913.

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

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    Miraflores Lake and South entrance to Fedro Miguel Lock

    Looking south. Dec. 31, 1913.

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

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    Miraflores Locks

    Northwest wall and forebay. Looking north ax across Miraflores Lake. Pedro Miguel Locks in distance. Dec. 31, 1913

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

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    Miraflores Upper locks

    View from middle of lock, looking south along east chamber, lower locks and sea level section in distance. July 6, 1913.

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

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    Craneboat A. La Valley

    Leaving Miraflores lower locks. First steam vessel to pass from ocean to ocean through Panama Canal, Jan. 7, 1914.

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

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    Balboa Terminals

    Locomotive Crane digging with orange peel bucket inside the Caissons, and loading directly into cars. Oct. 21,13

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

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    Balboa Terminals

    General View of the machine, erecting, and tool shops. Forge shop, steel storage and boiler shop. Oct. 7, 1913

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

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    Operation of Gatun Locks

    First boat through. Tugboat "Gatun" entering lower lock, west chamber. Looking south from fore bay. Sept. 26, 1913.

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

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    Panama Railroad Depot, City of Panama. Oct. 16, 1913

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

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    Isthmian Canal Commission Map showing Isthmus with completed
    Canal

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

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    Pedro Miguel locks - Control House

    Switchboard ready for test March 19, 1914.

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

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    Operation of Gatun Locks

    Class "C" submarines and "Severn" (tender) in upper east chamber ready to be lowered. April 15, 1914

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

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    Operation of Gatun Locks

    East Emergency dam subjected to head of 30 ft. of water. May 6, 1914.

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

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    Operation of Gatun Locks

    North from center wall lighthouse S. S. Alliance in upper west chamber, water Elevation 56.6 June 8 1914.

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

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    Operation of Miraflores Locks

    S. S. Santa Clara in lower west chamber ready for water to be lowered to sea level. Looking north. June 19, 1914.

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

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    Opening of the Panama Canal

    S. S. Ancon in west Chamber, Gatun upper locks. Looking South, Aug. 15, 1914.

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

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    Opening of the Panama Canal

    S. S. Ancon approaching Gamboa. Looking north. Aug. 15, 1914.

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

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    Opening of the Panama Canal

    S. S. Ancon passing Cucaracha slide. Looking north. August 15, 1914.

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

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    Opening of the Panama Canal

    S. S. Ancon entering east chamber of Pedro Miguel locks. View from top of Cerro Luisa. Aug.15, '14

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

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    Opening of the Panama Canal

    S. S. Ancon leaving west chamber Miraflores lower locks. Aug. 15, 1915. (Note: 1915 is printed on slide, but I think it should be 1914, to be

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