1921 - 1925 VALUES BASED ON 3 READINGS PER DAY
Station is in Russia. Formerly Finland and known as Koivisto
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Primorsk            080/004 RLR(1938) is 10.1m below BM 2215X
=========================== BENCHMARK INFORMATION UPDATE ADDED  12-JUL-93 :
Primorsk            080/004 RLR(1938) is 10.1m below BM 2215X
Primorsk is an historic station last data 1939

