Volunteers prepare their kayaks and dive gear Wednesday at Messalonskee Lake in Oakland during a dive exercise that trained participants how to remove milfoil from lakes and ponds.
Randy Richardson, a dive instructor, swims on Wednesday in the murky depths of Messalonskee Lake in Oakland during a dive exercise that trained participants how to remove milfoil from lakes and ponds.
Divers enter the water Wednesday at the Messalonskee Lake boat launch during a dive exercise that trained participants how to remove milfoil from lakes and ponds.
Randy Richardson, a dive instructor, swims on Wednesday in the murky depths of Messalonskee Lake in Oakland during a dive exercise that trained participants how to remove milfoil from lakes and ponds.
Barges and divers fill the water Wednesday during a dive exercise that trained participants how to remove milfoil from lakes and ponds.
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