"Best-selling author David McCullough tells the story of the settlers who began America's migration west, overcoming almost-unimaginable hardships to build in the Ohio wilderness a town and a government that incorporated America's highest ideals"--

"This expertly written and eminently enjoyable chronicle is highly recommended for history and history of science collections." -Library Journal"Make room on the library shelf for the never-before-told saga of the survey that converted the vast wilderness west of the Ohio River into a commodity marked out for government sale." -Booklist, Starred ReviewHow we ultimately gained the American Customary System-the last traditional system in the...