The United Nations Environment Programme GRID-Arendal information center, UNEP/GRID-Arendal (described in the June 24, 1998 Scout Report for Science & Engineering) has recently released these data sets for the Baltic Sea Region. The data sets cover Arable Lands (350 K), Land and Ocean/Coastline (830 K), Land Cover (710 K), Pasture Lands (270 K), Population Density (890 K), Sub-watershed Drainage...