The history of federal involvement in dam construction goes back at least to the 1820s, when the U.S. Army Corps of Engineers built wing dams to improve navigation on the Ohio River. The work expanded... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.