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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)

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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)