  NM30/70--LEAST DEPTH OF 19FT AT MLW IN A RECTANGULAR SHAPED AREA 262 YDS LONG
AND 73 YDS WIDE ALONG EAST SIDE OF AND PARALLEL TO THE BRIDGE.
  H9814/80--OPR-D103-PE-80; ITEM #81; 1:10,000 SCALE SURVEY; ARGO (R/R),
DELNORTE (R/A); REP AS DEBRIS CONSI