HAVRE DE GRACE, MD — Authorities continue to search for 18-year-old Mark Everett Coates III of Havre de Grace whose 10-foot aluminum jon boat was found capsized near Garrett Island.
The Maryland Natural Resources Police reported that authorities are searching the Susquehanna River. Officers were dispatched Thursday morning after Coates' boat was found without him.
Coates was last known to be operating the jon boat near the Hatem Memorial Bridge (US 40) Wednesday at approximately 5 p.m. after launching his boat from the Water Street Boat Ramp in Havre de Grace.
He was last seen wearing a chartreuse long-sleeved T-shirt and blue jeans.
The United States Coast Guard, Susquehanna Hose Company, Harford County Emergency Services, Harford County Sheriff's Office, Chesapeake Search Dogs and other agencies are assisting NRP in the search, using dive and aviation resources.
Anyone who may have seen Coates or him in his boat, or know the location of the missing boater since he launched his boat Wednesday is asked to contact the Maryland Natural Resources Police at 410-260-8888.
Boaters are asked to avoid the Susquehanna River between the US 40 and I-95 bridges while search operations continue.
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