In the spring of 1935, the skies of New York and Washington, D.C., were darkened by windblown soils from farms of Texas and Oklahoma. Congressmen could taste the grit in their mouths as they listened to Hugh Hammond Bennett testify about the need for a national soil conservation program. Conservation districts, local units of government designed to guide soil and water conservation work, led the action to get soil erosion under control. "For Love...