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Argent Cosmos Lost Anchor Multibeam Echosounder Search

July 6th, 2017 – The Argent Cosmos, a chemical tanker, was transiting up Columbia River enroute to China. Near Skamokawa, Washington a fuel pump issue caused lose of propulsion. Anchor was dropped and lost (2 knots of river current). Ballard Marine (Washougal WA) was called in to retrieve the anchor and clear the busy navigation channel. Seahorse Geomatics (Portland OR) was called by Ballard to identify the lost anchor using multibeam bathymetry The vessel captain provided the approximate location of the lost anchor.

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