=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Tsawwassen          822/085 RLR(1974) is 9.6m below BM1-1960
=========================== BENCHMARK INFORMATION UPDATE ADDED  12-JUL-93 :
Tsawwassen          822/085 RLR(1974) is 9.6m below BM1-1960

