CECW-EH-D Engineer Manual 1110-2-1602 Department of the Army EM 1110-2-1602 15 October 1980 U.S. Army Corps of Engineers Washington, DC 20314-1000 Engineering and Design…
CECW-EH-Y Technical Letter No. 1110-2-231 DEPARTMENT OF THE ARMY U.S. Army Corps of Engineers Washington, DC 20314-1000 ETL 1110-2-231 30 March 1979 Engineering and Design…