The Erie Canal was mocked as a big ditch when it was started, but by the time it was completed in 1825 it was called an engineering marvel. Readers learn how engineers overcame a rise in elevation of 568 feet between the Hudson River and Lake Erie with locks and aqueducts to create a waterway that changed America.
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Språk Engelska ● Formatera PDF ● Sidor 32 ● ISBN 9781502629630 ● Utgivare Cavendish Square Publishing, LLC ● Publicerad 2017 ● Nedladdningsbara 3 gånger ● Valuta EUR ● ID 8672712 ● Kopieringsskydd Adobe DRM
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