
 HISTORY
  H10313/89--OPR-X278; ROCK (COV 7FT) LOCATED ON MAINSCHEME ì
HYDROGRAPHY IN SURROUNDING DEPTHS OF 13-26 FEET WAS NOT ì
DEVELOPED.  POSITION GIVEN LAT 46-01-38N, LONG 83-53-28W (NAD ì
27).  (ENTERED 11/91 RWD)