PREFACE 



This report provides information on the development of seismic reflection 

 and side-scan sonar equipment and the wide use of the equipment in surveys by 

 the U.S. Army Coastal Engineering Research Center (CERC) for nearly two decades. 

 Objectives of the investigation are to quantitatively assess offshore sand and 

 gravel resources and study the geological and engineering character of U.S. 

 marine and Great Lakes nearshore regions. This is the third and final report 

 in a series prepared describing the procedures for carrying out sand resource 

 surveys over Continental Shelf areas to locate potential sources of sand for. 

 beach nourishment. The first report (Prins, 1980) covered procedures for 

 designing and conducting sand inventory surveys. The second report (Meisburger 

 and Williams, 1981) dealt with use of the Alpine-type pneumatic vibratory coring 

 device to retrieve long sediment cores. The work was carried out under CERC's 

 Barrier Island Sedimentation Studies work unit, Shore Protection and Restoration 

 Research Program, Coastal Engineering Area of Civil Works Research and Develop- 

 ment. 



The report was written by S. Jeffress Williams, Research Geologist, under 

 the general supervision of Dr. C.H. Everts, Chief, Geological Engineering 

 Branch, and Mr. N. Parker, Chief, Engineering Development Division. 



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

 of the report. 



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 



