Seattle based dredging and marine construction contractor Manson Construction has been awarded a contract worth more than $9 million to perform maintenance dredging in Coos Bay, Ore.The $9,285,000 firm-fixed-price contract was awarded by U.S. Army Corps of Engineers' Portland District.<p><p>https://www.marinelink.com/news/manson-perform-maintenance-dredging-coos-515395</p></p>