Permeable groins made o£ concrete, their design criteria, and 

 examples of shore protection projects are given. 



Key Words - Permeable/Concrete/Accretion/Great Lakes/S. Atlantic/ 

 Field/1900-1949/ 



"Problems of Island and Coast Protection" 4500GR0001 



Kramer, J. , Report of West Germany Water 

 Economy Association, 1945, pp. 115-133. 



Key Words - Not Annotated/ 



"Beach Erosion Study, Lake Erie Shore 45050001 



Line in the Vicinity of Huron, Ohio" 

 U. S. Army Corps of Engineers, House 

 Document No. 220, 79th Congress, 1st 

 Session, May 1945. 



Key Words - House Document/Not Annotated/ 



"Beach Erosion Study, Ohio Shore Line of 4505GR0002 



Lake Erie from Ohio-Michigan State Line 



to Marglehead, Ohio" 



U. S. Army Corps of Engineers, House 



Document No. 177, 79th Congress, 1st 



Session, May, 1945. 



Key Words - House Document/Not Annotated/ 



"Permeable Jetties Built to Protect 4507GR0001 



Cleveland's Shore" 



Anonymous, Engineering News-Record, 



McGraw-Hill Pub. Co., Vol. 135, No. 2, 



July, 1945, p. 89. 



Illustrations and details of patented precast concrete groins 

 are presented. 



Key Words - Great Lakes/Permeable/Concrete/Const-procedure/Structural- 

 design/ 



28 



