
 HISTORY
  UNKNOWN SOURCE--PILE SYMBOL APPEARED PRIOR TO 1962 EDITION OF ì
CHART.
  UNKNOWN SOURCE--LABEL, SUBM PILE, FIRST APPEARS ON 1972 EDITION ì
OF CHART 12366. POSITION SCALED FROM CHART 12366 (1:20,000). ì
POSITION: LAT 40-53-18N, LONG 73-46-1