Isthmian Canal Commission - Atlantic Division general map: Gatun Locks and Dam
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Geological cross-sections of Culebra Cut, showing sliding ground
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Graphical representation of yardage, Panama Canal, July 1, 1913
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Street of unknown town in Panama, all dug up
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Ruins of a Sentry Box, Old Panama, March 1907
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Men of color standing on a porch, eating
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
I.C.C. Sanitarium, Taboga Island
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
Ancon Hospital
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
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)