In Skagit County, beginning at the intersection of Fir Island Road and the west bank of Brown's Slough (inside base of dike); then east along Fir Island Road (96 feet) to the Brown's Slough dike; then southerly and easterly along the Brown's Slough dike to the Fir Island Farm access road; then north along the Fir Island Farm access road to Fir Island Road; then east along Fir Island Road to the northeast corner of Section 22 (T33N, R3E); then south along the east line of Section 22 (T33N, R3E) to Dry Slough; then westerly and south along the west bank of Dry Slough to the intersection with Dike District #22 dike; then westerly along the south side (Skagit Bay side) of the Dike District #22 dike to the intersection of the Dike District #22 dike and the south line of Government Lot #5 (Section 22, T33N, R3E), then west approximately 1900 feet to the west bank of Brown's Slough (inside base of dike), then north along the west bank of Brown's Slough to the intersection with the Fir Island Road and the point of beginning.