PREFACE 



This report is published to provide coastal engineers with a review 

 of recent developments in and guidance for the selection of borrow mate- 

 rial for beach restoration and periodic nourishment. The work was carried 

 out under the coastal construction research program of the U.S. Army 

 Coastal Engineering Research Center (CERC) . 



The report was prepared by Dr. R.D. Hobson, under the general super- 

 vision of Dr. C.H. Everts, Chief, Geotechnical Engineering Branch, Engi- 

 neering Development Division, CERC. 



The author acknowledges the assistance of L. Vallianos and T. Jarrett, 

 U.S. Army Engineer District, Wilmington, who provided the textural data 

 incorporated in Appendix B. Dr. W.R. James, R. Rector, and S.J. Williams 

 are also acknowledged for reviewing the draft of this report and providing 

 many useful comments which improved both the style and technical content 

 of the final 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. 



'JOHN H. COUSINS 

 Colonel, Corps of Engineers 

 Commander and Director 



