In Plowed Under, Andrew P. Duffin traces the transformation of the Palouse region of Washington and Idaho from land thought unusable and unproductive to a wealth-generating agricultural paradise, weighing the consequences of what this progress has wrought. During the twentieth century, the Palouse became synonymous with wheat, and the landscape was irrevocably altered. At the dawn of the twenty-first century, native vegetation is almost nonexistent, stream water is so dirty that it is often...