Trimble, Stanley Wayne. <br/><br/>
Historical agriculture and soil erosion in the upper Mississippi Valley hill country  [electronic resource] / 
Stanley W. Trimble ; [foreword by Andrew Goudie]. 
 - Boca Raton :  CRC Press,  2013. 
 - xlviii, 235 p. :  ill. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781466555754 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion--History--Driftless Area--19th century.<br/>Soil erosion--History--Driftless Area--20th century.<br/>Agriculture--Environmental aspects--History--Driftless Area--19th century.<br/>Agriculture--Environmental aspects--History--Driftless Area--20th century.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>S624.D75  / T75 2013