Vol, LXXXVIL.—No, 12, NEW YORK. SEPTEMBER 20. 1909. 380d YEAR. 7 wT. ; 7 ae a … ‘Total length, 144 miles; maximum height above foundation, 180 feet; difference of water level above and below, 67 feet. Total weight of masonry, over 1,000,000 tons, South, or Upstream Side of Dam from West Bank. _—— ——— SE From photographs kindly lent tc the Scientific American by Sir Benjamin…
Internet Archive · Public domain (published before 1931). Free to use for anything.
