. Diversion of water from the Great lakes and Niagara river. PLATE 17 .Note. Taken from Folio 190 of the•Geologic Atlas of the United State., Geoloqicol Survey. TYPICAL GEOLOGIC SECTION OF HORSESHOE FALLS NIAGARA FALLS In [Sheet Sheet No. I Scale: «« .as ft oJ^Y. Aug., 1919 Diviaion Engineer Office, LokeD Division, Buffalo, V-Y. : dated: Aug. 30,1919- Corps of Engineers, U. S. OAT ISLAND War Department. Corps of Engineers, U. S. Army.

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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwashi, bookyear1921