Mystery spill, columbia river; clifton channel, columbia river, oregon

Original warning text

Mystery Spill, Columbia River; Clifton Channel, Columbia River, Oregon.
Clifton Channel, Columbia River, Oregon.
1. A report of an oil slick was received from a vessel off Tongue Point by MSO Portland at 0100 on August 10, 1994. A USCG helicopter overflight at first light reported what appeared to be a substantial quantity of cleanable oil in and around Tenasillahe Island from Columbia River mile 38 downriver to approximately river mile 25. The Columbia River islands downriver of Tenasillahe are part of the Lewis and Clark National Wildlife Refuge. Based on observations and the area at risk, a significant response was launched. Cleanup contractors were directed to deploy the protection booming between Puget Island and the mouth of the Columbia River identified in the Northwest Area Plan's Columbia River Geographical Response Plan. Skimmers and contractor response vessels were mobilized. Subsequent overflights and surface surveys (shore and water) over the next two days failed to detect significant [...]
2. COMMODITY: BILGE OIL (INTERMEDIATE FUEL OIL).
3. POSITION 46.217N 123.433W. NOAA INCIDENTNEWS 7035: https://incidentnews.noaa.gov/incident/7035