 HISTORY
  H7797/50--CS-256; VISIBLE WK, POSITION SCALED FROM SURVEY IN ì
LAT 38-01-27.8N, LONG 121-48-11.0W(NAD27).
  TP01059/79--REV-CLASS III; VISIBLE, WK APPROX 30M LONG IN A ì
NW-SE DIRECTION, POSITION SCALED IN LAT 38-01-27N, LONG ì
121-48-10.