PREFACE 



This report presents guidelines for establishing base lines for coastal 

 surveys and for monumenting, documenting, and referencing those base lines and 

 the profile lines. The work was carried out under the data collection part of 

 the coastal engineering research program of the U.S. Army Coastal Engineering 

 Research Center (CERC) . 



The report was prepared by J. Michael Hemsley, Hydraulic Engineer, under 

 the general supervision of Dr. J.R. Weggel, Chief, Evaluation Branch, Engi- 

 neering Development Division. Helpful reviews by W.A. Birkemeier and A.E. 

 DeWall of CERC, R. Kloker of the U.S. Army Engineer District, Chicago, and 

 R. Spies of the U.S. Army Engineer District, Philadelphia, are acknowledged 

 and appreciated. 



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 



