 HISTORY
  H10917/00-- OPR-D392-WH; SIDE SCAN SONAR CONTACT FOUND DURING MAIN SCHEME HYDROGRAPHY.  ECHO SOUNDER DEVELOPMENT CONDUCTED TO VERIFY CONTACT'S HEIGHT AND POSITION.  ECHO SOUNDER LD OF 64 FEET (19.5 METERS) LOCATED IN LAT. 38-53-25.68N, LONG.