 HISTORY
  UNKNOWN SOURCE--VISIBLE WK; SHOWN ON FIRST ED. OF CHART (1945) SCALED IN LAT
38-02-46.2N, LONG 122-03-22.4W(NAD27) IN HASTINGS SLOUGH.
  TPO1249/83-84--REV-CLASS III; WK NOT SHOWN. (ENTERED 11/87 RWD).  
  CHARTED AS SUBM (PA). NOTE "PA" P