This detailed folio covers the Niagara Falls region and was part of the Geological Survey's project to make a complete geological atlas of the United States. It includes three single-page maps (topography, areal geology, and surficial geology) and an attractive folding geological map (17.5 x 46") following the course of the Niagara River from Lewiston to beyond Niagara Falls. The folio also features a 26-page "Description of the Niagara Quadrangle" by E.M. Kindle and F.B. Taylor and 3 photographic plates. Produced under the direction of George Otis Smith. Elephant folio.

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Condition: A

Condition code is for the contents, which are Internally clean and bright. The covers are soiled and lightly toned, along with the first page of text that touches the front cover.