PREFACE 



This report provides a brief description of the Littoral Environment 

 Observation (LEO) Program and its operation in northern California from 1968 

 to 1978. The work was carried out under the U.S. Army Coastal Engineering 

 Research Center's (CERC) Visual Surf and Nearshore Current Observations work 

 unit, Coastal Field Data Collection Program, Coastal Engineering Area of Civil 

 Works Research and Development . 



The report was prepared by Christine Schneider, Civil Engineering Tech- 

 nician, and Dr. J. Richard Weggel, Chief, Evaluation Branch, under the general 

 supervision of Mr. N. Parker, Chief, Engineering Development Division. Help- 

 ful reviews by D.W. Berg, A. Szuwalski, E.F. Thompson, R.A. Jachowski, O.T. 

 Magoon, R. Edmisten, and G. Armstrong are acknowledged. 



Technical Director of CERC was Dr. Robert W. Whalin, P.E. 



Comments on this publication are invited. 



Approved for publication in accordance with Public Law 166, 79th Congress, 

 approved 31 July 1945, as supplemented by Public Law 172, 88th Congress, 

 approved 7 November 1963. 



TED E. BISHOP 



Colonel, Corps of Engineers 



Commander and Director 



