1. Placing concrete in centre wall : Miraflores locks Panama Canal Title: Placing concrete in centre wall : Miraflores locks Panama Canal Contributor: Maʻlūf, ʻĪsá Iskandar, 1869-1956. Date: 1900-1940 Publisher: Panama : Publisher not Identified , [between 1900 and 1940] Extent: 1 photomechanical print (postcard) : color; 9 x 14 cm Subject: Canal construction -- Panama -- Panama Canal -- 1900-1910 | Laborers -- Panama -- Panama Canal -- 1900-1910 | Panama Canal (Panama) | Panama Canal (Panama) -- Pictorial works | Photomechanical prints -- 1900-1940 | Postcards -- 1900-1940 Format: Photo