 HISTORY
  H7797/50--CS-256; VISIBLE WK, (GROUNDED HULL) POSITION SCALED ì
FROM SURVEY IN LAT 38-01-26.4N, LONG 121-48-14.0W(NAD27).
  TP01252/83-84--REV-CLASS III; VISIBLE WK APPROX 50M LONG IN A ì
NW-SE DIRECTION, POSITION SCALED FROM SURVEY IN LAT