Box 41
Contains 141 Results:
[434 AB] Dam construction site during flood. (352.T^19. The Panama Canal. Madden Dam Project. General view downstream from Point 3-A after flood of November 28th 1932. Water level within area 103. November 30th 1932.) (2 copies) , 1932
This series contains photographs, negatives, and glass plate negatives regarding the Panama Canal and surrounding areas.
[435] Dam construction after flood. (Caption: 352.T^19 1/2. The Panama Canal. Madden Dam Project. View of trench excavated in levee to relieve pressure against cofferdam piling. December 2, 1932.) (2 copies), 1932
This series contains photographs, negatives, and glass plate negatives regarding the Panama Canal and surrounding areas.
[436] Dam construction after flood. (Caption: 352.T^20. The Panama Canal. Madden Dam Project. Close-up of break in cofferdam piling, looking East. December 2nd 1932.) (4 copies), 1932
This series contains photographs, negatives, and glass plate negatives regarding the Panama Canal and surrounding areas.
[437] View of water going over spillway. (Caption: 352.V^2. The Panama Canal. Madden Dam Project. View from Bridge showing Hydraulic Jump on Spillway Apron. All Drum Gates set at Crest El. 236.8. Reservoir El 240. Discharge 7,800 c.f.s. 2/1/33.), 1935
This series contains photographs, negatives, and glass plate negatives regarding the Panama Canal and surrounding areas.
[438] View of water going over spillway. (Caption: 352.V^13. The Panama Canal. Madden Dam Project. View from Bridge showing Hydraulic Jump on Spillway Apron. All Drum Gates fully opened. (Crest El. 232.0). Reservoir El. 239.8. Discharge 32,200 c.f.s. February 10, 1935.) (2 copies), 1935
This series contains photographs, negatives, and glass plate negatives regarding the Panama Canal and surrounding areas.
[439] View of water going over spillway. (Caption: 352.V^19. The Panama Canal. Madden Dam Project. Spillway Drum Gate No. 1. onlym, fully opened. Reservoir El. 239.9. discharge 7,500 c.s.f. View from Bridge showing interference by higher adjacent tailwater, below closed Gates, to Hydraulic Jump on Apron. February 12, 1935.), 1935
This series contains photographs, negatives, and glass plate negatives regarding the Panama Canal and surrounding areas.
[440] View of forest setting with burned material in foreground. (Caption: 352.Z^4. The Panama Canal. Madden Dam Project. View showing results of burned piles in first burning. February 29 1932.), 1932
This series contains photographs, negatives, and glass plate negatives regarding the Panama Canal and surrounding areas.
[441] Landscape view of waterway. Burned vegetation around the river and forested grounds on the perimeter. (Caption: 352.Z^7. The Panama Canal. Madden Dam Project. View showing burned piles and a few unburned piles. Note driftwood on gravel bar to right, which must be piled and reburned. Note the heavy growth of timber in the background. March 2, 1932.), 1932
This series contains photographs, negatives, and glass plate negatives regarding the Panama Canal and surrounding areas.
[442] Piles of brush waiting to be burned. Forest in background. (Caption: 352.Z^9. The Panama Canal. Madden Dam Project. View showing piles of timber and three burned piles, looking toward isolated island in front of Saddle #8. Note restrojo in the foreground and heavy timber in the background. March 2 1932.), 1932
This series contains photographs, negatives, and glass plate negatives regarding the Panama Canal and surrounding areas.
[443] View of hillside under construction. (Caption: 354.A^1. The Panama Canal. Madden Dam Project. Borrow Pit AC-1. Looking northeast from Point #120. January 5, 1932.), 1932
This series contains photographs, negatives, and glass plate negatives regarding the Panama Canal and surrounding areas.