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)
Steam Shovel No. 254 Flooded by Heavy Rain in Pioneer Cut, Culebra, October 2, 1911
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Steam Shovel No. 225 wrecked by Rock Slide
North of Gold Hill, July 5, 1911.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
City of Panama, from Ancon Hill
Showing new Contrete Reservoir and Administration Building, July 1910.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Miraflores Upper Locks
Lateral Culvert Forms in Place, July 13, 1910.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Lateral Culvert Forms and Floor, Miraflores Lock, July, 13, 1910
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Gatun Upper Locks
Constructing Monoliths. June, 1910.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Hydraulic Excavation, Miraflores
General View of Lower Lock Site. December 21, 1910.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Hydraulic Excavation, Miraflores
Dredging Barges. December, 21, 1910.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Gatun Lower Locks
North Entrance, showing completed approach wall. June 14, 1913
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)