groin systems, maintaining that they should be impermeable. Spacing 

 and length of groins are considered. 



Key Words - Great Lakes/Rubble-mound/Timber/Impermeable/Low/Field/ 

 High/Short/Artificial-f ill/System/ 



"Model Investigations of Harbor Inlet 5900GR0001 



Silting" 



Blau, E., Wasserwirtschaft-Wassertechnik , 



Berlin, Vol. 9, 1959, pp. 244-251. 



Key Words - Not Annotated/ 



"Groins with Asphalt Grout in East 5900GR0002 



Friesian Coast Region" 



Jansen, T. , Bitumen , Heidelburg, No. 3, 



1959. 



Key Words - Not Annotated/ 



"Littoral-Drift Problem at Shore-Line 5900GR0003 



Harbors" 



Johnson, J. W. , Transactions of the 



American Society of Civil Engineers , 



Vol. 124, Paper No. 2992, 1959, pp. 



525-555. 



Structures protecting California's harbors have interrupted the 

 littoral drift. These structures often act as complete barriers 

 causing sediment to be trapped. Examples are Santa Barbara, Camp 

 Pendleton, and Santa Monica. 



Key Words - California/ Accretion/Field/ 



"Receding of Shoreline at Cochin by Groynes 5900GR0004 



and a Seawall" 



Anonymous, 1959, Central Water and Power 



Research Station Poona, Poona, India, 



Annual Research Memoirs, Ministry of Irrigation 



and Power, pp. 283-287. (TC158 .14 I39a) 



83 



