
 SURVEY REQUIREMENT COMMENTS
  DETERMINE LEAST DEPTH OF SUBMERGED ROCK

 HISTORY
  H-10424/91--OPR-B660-RU, PREPROCESSING MEMO, 6/4/92; ROCK LOCATED ì
BY SIDE SCAN SONAR (CONTACT #1084.28P) IN POS. LAT.41-20-19.05N, ì
LONG.71-30-11.75W (NAD 83). SH