
 HISTORY
  LS1687/36--VISIBLE PILES(R0W); SCALED AT 1:20,000 IN LAT 46-25-51.2N, LONG    
84-34-34.0W.                                                                 
  TP00204/82--REV. CLASS III; "NOT VISIBLE ON PHOTOGRAPHS" (ENT. 4/85 RWD)
  H10