
 HISTORY
  UNKNOWN SOURCE--PIER IN LAT 46-00-35N, LONG 83-51-56W (NAD 27).
  TP00361/84--REV-CLASS III; PIER NOT SHOWN.
  H10313/89--OPR-X278; PIER NOT INVESTIGATED, RECOMMENDS ADD. ì
WORK, CHART AS SUBM.  (ENTERED 11/91 RWD)
