North American  droughts/ 
edited by Norman J. Rosenberg 
 - Washington:  West View Press,  1978 
 - xvi, 176 p.:  ill.;  23 cm. 
 - AAAS selected symposia series  no. 15 .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0891584439  £ 10.65 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Droughts--cCongresses--North America<br/>Plants, Effect of drought on<br/>Agricultural productivity--United states<br/>Drought forecasting
<br/><br/><label>Dewey Class. No.: </label>632.12097