 HISTORY
 ****SOURCE UNKNOWN -- PROBABLE SOURCE LAKE SURVEY SHEET; DEPTH OVER CRIB 33 FT APPEARS ON FIRST EDITION (FEB 1974) OF CHART 14852 IN 42-59-13.5 N  082-25-27.4 W  NAD 83
  H11915: OPR-W408-NRT4-08; Subm Crib seen in SSS Imagery and was investi