During the second week of the 2012 season, the tundra is starting to go green with tiny leaves on the birch trees. The advancing spring always brings with it warmer temperatures, and the endless arctic days that allow anglers to fish the famed Ryabaga <http://www.ponoiriver.com/public/publicWrapper.php> Home Pool through the midnight hours. Spring in Ryabaga is the time when anglers are …