Gatun Dam, hydraulic fill, July, 1910
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Pedro Miguel Locks.April 6, 1910
Looking north from west bank. April 6, 1910.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Gatun upper locks and forebay, looking north. November 1, 1909
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Upper Gatun locks, east chamber, looking south. November 1, 1910
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Pedro Miguel Lock. Concrete Mixers, Loading Concrete in Buckets. November, 1910
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Pedro Miguel Lock, Looking South from Forebay, November 9, 1910
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Pedro Miguel Lock, The West Chamber, Looking North, November 11, 1910
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Miraflores Upper Locks, Looking South, Construction of East Side Wall, Showing Culvert, November 10, 1910
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Culebra Cut
Looking north, December, 1904.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Bottom of the Canal
Raised for a short distance through pressure of the broken east Bank 18 feet above its original level, June, 1910.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)