Donahue, Roy L. . <br/><br/>
Our Social and Their Management: An Introduction to Soil and Water Conservation /  Textual Documents 
Roy L.Donahue. 
 - 1st ed. / 
 - Bombay :  Asia Publishing House ,  1963. 
 - 568p. :  ill ;  22cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Soil Management Water Conservation G-Technology 
<br/><br/><label>Dewey Class. No.: </label>631.46  / D 741 On