
 HISTORY
  CL552/78--CAS18661(1977)-OPR-511-DA-77-ITEM 11, (BP103691); ì
VISIBLE WK (LARGE METAL WK, UNCOV 20-25FT AS OBSERVED, IN A E-W ì
DIRECTION) CENTER POSITION SCALED FROM BLUEPRINT IN LAT ì
38-00-53.0N, LONG 121-43-49.0W.
  TP01059/79--REV-CLA