=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-MAR-94 :
data up to 1991 revised, March 1994
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 15-JUL-94 :
Steveston           822/083 RLR(1991) is 7.9m below BM 77-C-008
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 2000Apr20 :
Steveston discontinued 1998

