The following two letters used as part of the number designating technical reports of research published under the Repair, 
Evaluation, Maintenance, and Rehabilitation (REMR) Research Program identify the problem area under which the report 
was prepared: 
Problem Area Problem Area 
cs Concrete and Steel Structures EM Electrical and Mechanical 
GT Geotechnical El Environmental Impacts 
HY Hydraulics OM Operations Management 
co Coastal 
Destroy this report when no longer needed. Do not return 
it to the originator. 
The findings in this report are not to be construed as an official 
Department of the Army position unless so designated 
by other authorized documents. 
The contents of this report are not to be used for 
advertising, publication, or promotional purposes. 
Citation of trade names does not constitute an 
official endorsement or approval of the use of such 
commercial products. 
COVER PHOTOS: 
TOP — Field Research Facility, Duck, North Carolina. 
BOTTOM — Cross-sections depicting cavity in jetty, section of 
jetty after release of cover stone, and repaired section, 
Brazos Island Jetties, Brazos Island Harbor, Texas. 
