Description
Panama Canal Gatun Spillway Discharging Flood Water c. 1913 Postcard. New York / London publisher; card number 143-23. Color postcard showing the Gatun Spillway discharging flood water at a tremendous rate, with massive cascades of water rushing over the dam's concrete sluice gates. The reverse describes the spillway as 1,200 feet long and 300 feet wide, containing approximately 225,000 cubic yards of concrete, with overflow used to generate electric power at a rate of 15,000 cubic feet per second. New York / London publisher; card number 143-23. Save when you buy more! Purchase 2 postcards and get 10% off, 3 postcards for 15% off, or 4+ postcards for 20% off. All items must be purchased together in a single checkout to qualify for the discount.