1951, pp. 28-31. 



Since 1819 continuous projects have been underway to solve the 

 problem of beach erosion along Presque Isle Peninsula, Pennsylvania. 

 Protection measures, including groins and artificial fill, are 

 reviewed. 



Key Words - Erosion/Accretion/1800-1900/1900-1949/Steel/Piling/ 

 Rubble-mound/ Low/ Long/Great Lakes/ Impermeable/Fie Id/ 

 System/ 



"Underwater Longitudinal Works for Coastal 



Protection" 



Bomas , P . , Wasserwirtschaft - Wassertechnik , 



Berlin, Vol. 2, No. 5, 1952. 



Key Words - Not Annotated/ 



5200GR0001 



Coast Erosion and Protection; Studies in 

 Causes and Remedies 



5200GR0002 



Minikin, R. R. , 1st ed. , Chapman and Hall 

 Ltd., London, 1952, 240 pp. (TC330 1952) 



An extensive part of this text deals with groins. Function, 

 construction, length, spacing, orientation, and other considerations 

 of design are presented with examples and illustrations. 



Key Words - Timber/Misc-plan/ERosion/Accretion/Impermeable/High/Low/ 

 Short/Long/System/Field/Concrete/Piling/Misc-materials/ 

 Europe/Structural -design/Single/Great Lakes/Theory/Spur/ 



"Abbruch und Schutz der Steilufer an der 5200GR0003 



Ostseekiiste" 



Petersen, M. , Die Kiiste, Kiel, West Germany 



Vol. 1, No. 2, 1952, pp. 100-152. (GB4575 



.K97) 



Translated Title: "Breaking and Protection of Steep Shores of 

 the Baltic Sea Coast " 



Key Words - Not Annotated/ 



43 



