University. Additional field assistance was rendered by Messrs. Darryl Bishop 

 and Edward Hands, CD-S, and Dr. Rao Vemulakonda , CR-P. Support personnel at 

 the CERC Field Research Facility were: Mr. Curt Mason, Chief, Mr. William 

 Birkemeier, Mr. Peter Howd, Ms. Harriet Klein, and Mr. Carl Miller. 



This report benefitted from reviews by Dr. Hughes and Mr. Birkemeier. 

 The study was performed under general supervision of Dr. James R. Houston and 

 Mr. Charles C. Calhoun, Jr., Chief and Assistant Chief, CERC, respectively, 

 and administrative supervision of Mr. H. Lee Butler, Chief, CR. This report 

 was edited by Ms. Gilda F. Miller, Information Products Division, Information 

 Technology Laboratory, WES. 



Acting Commander and Director of WES during preparation of this report 

 was LTC Jack R. Stephens, EN. Technical Director was Dr. Robert W. Whalin. 



