Subjgrp 93. Oregon
- § 117.861 - Blind Slough.
- § 117.865 - Clatskanie River.
- § 117.869 - Columbia River.
- § 117.871 - Coos Bay.
- § 117.873 - Coos River.
- § 117.875 - Coquille River.
- § 117.879 - Isthmus Slough.
- § 117.881 - John Day River.
- § 117.887 - Oregon Slough (North Portland Harbor).
- § 117.889 - Siuslaw River.
- § 117.892 - South Slough.
- § 117.893 - Umpqua River.
- § 117.895 - Wallooskee River.
- § 117.897 - Willamette River.
- § 117.899 - Youngs Bay and Lewis and Clark River.