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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)

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    Ancon Hospital

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

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    I.C.C. Sanitarium, Taboga Island

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

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    Men of color standing on a porch, eating

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

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    Ruins of a Sentry Box, Old Panama, March 1907

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

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    Street of unknown town in Panama, all dug up

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

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    Graphical representation of yardage, Panama Canal, July 1, 1913

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

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    Geological cross-sections of Culebra Cut, showing sliding ground

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

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    Isthmian Canal Commission - Atlantic Division general map: Gatun Locks and Dam

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

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    Isthmian Canal Commission, Pacific Division, Pedro Miguel to Panama Bay, (map of west end of canal, and Excavation Diagram)

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

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    Isthmian Canal Commission - Atlantic Division Sections of Gatun Dam

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

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    Tropical Foliage near Bohio

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

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    Blast at Bas Obispo, Sept. 19, 1907 (1/3)

    "Powder used, 9,600lbs., Rock displaced 29,640 cu. yds. 72 on one side, 106 1/2 on the other. "

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

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    Blast at Bas Obispo, Sept. 19, 1907 (2/3)

    "Powder used, 9,600lbs., Rock displaced 29,640 cu. yds. 72 on one side, 106 1/2 on the other. "

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

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    Blast at Bas Obispo, Sept. 19, 1907 (3/3)

    "Powder used, 9,600lbs., Rock displaced 29,640 cu. yds. 72 on one side, 106 1/2 on the other. "

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

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    Old French Excavation in cut near Empire

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

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    Cucaracha Slide

    Looking South from Contractor's Hill, - Oct. 23, 1910.

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

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    Black man standing beside a railroad derrick on curved tracks

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

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    View of Culebra from Reservoir, showing Administration Building to left, hotel to the right and Y. M. C. A. Club House in center

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

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    An Isthmian Canal Commission locomotive

    "An Isthmian Canal Commission locomotive pushing a dirt scraper and a lot of rocks."

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

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    Old French Ladder dredge, August 7th, 1907

    "Some boats with modified coal dredges."

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

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    Dinner Time at a Commission Hotel, Gorgona

    "A group of men standing around the door of a summer hotel."

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

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    A woman and a girl standing in a damaged street in an unnamed town

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

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    Comacho Diversion Tunnel, Bas Obispo, May 22, 1908

    "Looks like Buffalo Creek."

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

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    General View of Ancon Hospital

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

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    Suspension bridge across cut at Empire

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

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    The cut at Bas Obispo during flood of Nov. 12, 1909

    Looking south.

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

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    Wrecking cranes freeing steam shovel No. 231 from Cucaracha slide, Oct. 4, 1909

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

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    Gatun Spillway looking north, April, 1910

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

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    Culebra cut

    Steam shovels at work on slide.

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

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    Berm crane at Pedro Miguel Lock, June, 1910

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

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    Gatun Dam, hydraulic fill, July, 1910

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

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    Pedro Miguel Locks.April 6, 1910

    Looking north from west bank. April 6, 1910.

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

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    Gatun upper locks and forebay, looking north. November 1, 1909

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

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    Upper Gatun locks, east chamber, looking south. November 1, 1910

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