Section 165.1326 - Regulated Navigation Areas; Port of Portland Terminal 4, Willamette River, Portland, OR(a)Regulated navigation areas. Each of the following areas is a regulated navigation area: (1) All waters of the Willamette River in the head of the Port of Portland's Terminal 4 Slip 3, encompassed by a line commencing at 45°36' 01.861" N/122°46' 20.995" W thence to 45°36' 01.455 N/122°46' 20.887" W thence to 45°36' 00.993" N/122°46' 20.714" W thence to 45°36' 00.725" N/122°46' 20.923" W thence to 45°36' 00.731" N/122°46' 21.262" W thence to 45°36' 00.712" N/122°46' 21.823" W thence to 45°36' 01.230" N/122°46' 22.048" W thence to 45°36' 01.651" N/122°46' 22.168" W thence to 45°36' 01.684" N/122°46' 22.372" W thence to 45°36' 01.873" N/122°46' 22.303" W thence to 45°36' 02.065" N/122°46' 21.799" W thence to 45°36' 01.989" N/122°46' 21.574" W thence to 45°36' 01.675" N/122°46' 21.483" W thence to 45°36' 01.795" N/122°46' 21.442" W thence to 45°36' 01.861" N 122°46' 20.995" W.(2) All waters of the Willamette River in Wheeler Bay between Slip 1 and Slip 3 in the Port of Portland's Terminal 4, encompassed by a line commencing at 45°36' 10.634" N/122°46' 39.056" W thence to 45°36' 10.269" N/122°46' 37.140" W thence to 45°36' 10.027" N/122°46' 36.050" W thence to 45°36' 09.722" N/122°46' 34.181" W thence to 45°36' 09.425" N/122°46' 33.118" W thence to 45°36' 08.960" N/122°46' 32.150" W thence to 45°36' 08.653" N/122°46' 31.681" W thence to 45°36' 08.191" N/122°46' 31.341" W thence to 45°36' 07.886" N/122°46' 31.269" W thence to 45°36' 07.517" N/122°46' 31.038" W thence to 45°36' 07.235" N/122°46' 31.066" W thence to 45°36' 07.040" N/122°46' 30.941" W thence to 45°36' 06.697" N/122°46' 30.987" W thence to 45°36' 06.509" N/122°46' 31.251" W thence to 45°36' 06.201" N/122°46' 31.517" W thence to 45°36' 06.081" N/122°46' 1.812" W thence to 45°36' 06.550" N/122°46' 32.124" W thence to 45°36' 06.970" N/122°46' 31.895" W thence to 45°36' 07.172" N/122°46' 31.868" W thence to 45°36' 07.883" N/122°46' 32.316" W thence to 45°36' 08.370" N/122°46' 32.927" W thence to 45°36' 08.775" N/122°46' 33.888" W thence to 45°36' 09.121" N/122°46' 35.337" W thence to 45°36' 09.230" N/122°46' 36.166" W thence to 45°36' 09.442" N/122°46' 37.759" W thence to 45°36' 09.865" N/122°46' 39.511" W thence to 45°36' 10.421" N/122°46' 39.469" W thence to 45°36' 10.634" N/122°46' 39.056" W.(b)Regulations. All vessels are prohibited from anchoring, dragging, dredging, or trawling in the regulated navigation areas established in paragraph (a) of this section.USCG-2009-0370, 75 FR 20525 , Apr. 20, 2010