=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 14-Jul-2010 :   
Data for Anabar 1991-2000 was previously in the database these values were
copied and stored in a box file on top of one of the PSMSL roller front
cupboards.Revised data values for
1991-2009 were downloaded from the Arctic and Antarctic Research Institute
website and loaded onto the database. The RLR factor remains 7.000m.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 13-Aug-2013 :   
After the recent download of data it was noted that some of the historic values differ slightly. Because of this the whole dataset was re-loaded.

