Oregon's coastal zone extends from the Washington border on the north to
the California border on the south; seaward to the extent of state
jurisdiction as recognized in federal law; and inland t the crest of the
coastal mountain range, excepting; 1. The Umpqua River Basin, where the
coastal zone extends to Scottsburg; 2. The Rogue River Basin; where the
coastal zone extends to Agness; and 3. The Columbia River Basin, where
the coastal zone extends to the downstream end of Puget Island or, as
defined by CREST, RM 38.5, to the "Bradwood Site" on the shorelands.