=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Murmansk            030/018 RLR(1972) is 21.8m below BM
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 26-Jan-2016
2014 data values for Murmansk were received in October 2015. Slightly revised data values were received 26.01.2016 these have now been entered onto the database.