Pedro Miguel Lock. Concrete Mixers, Loading Concrete in Buckets. November, 1910
Handy (Photographe), Hallen (Photographe), Special Collections/University Archives (Compagnie de publication)
Pedro Miguel Lock, Looking South from Forebay, November 9, 1910
Handy (Photographe), Hallen (Photographe), Special Collections/University Archives (Compagnie de publication)
Pedro Miguel Lock, The West Chamber, Looking North, November 11, 1910
Handy (Photographe), Hallen (Photographe), Special Collections/University Archives (Compagnie de publication)
Miraflores Upper Locks, Looking South, Construction of East Side Wall, Showing Culvert, November 10, 1910
Handy (Photographe), Hallen (Photographe), Special Collections/University Archives (Compagnie de publication)
Culebra Cut
Looking north, December, 1904.
Handy (Photographe), Hallen (Photographe), Special Collections/University Archives (Compagnie de publication)
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 (Photographe), Hallen (Photographe), Special Collections/University Archives (Compagnie de publication)
Cucaracha Slide, North End. From West Bank
Handy (Photographe), Hallen (Photographe), Special Collections/University Archives (Compagnie de publication)
Lidgerwood Unloader - 14% Grade - Tabernilla Dumps
Handy (Photographe), Hallen (Photographe), Special Collections/University Archives (Compagnie de publication)
The Cathedral Plaza, Panama, circa 1910
Handy (Photographe), Hallen (Photographe), Special Collections/University Archives (Compagnie de publication)
Culebra Cut at Empire
Looking North from Division Engineer's Office. June 4, 1910.
Handy (Photographe), Hallen (Photographe), Special Collections/University Archives (Compagnie de publication)