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A 'major' bloom of harmful cyanobacteria discovered in the Charles River
Harmful bacteria bloom found in Charles River - Boston.com
Cyanobacteria bloom prompts public health advisory for Charles River ...
Section of Charles River turns green from first toxic algae bloom …
For the first time in four years, the Charles River experiences a ...
Charles River Experiences First Cyanobacteria Bloom in Four Years
Charles River Experiences First Cyanobacteria Bloom in Four …
Blue-green algae bloom reported in Charles River - The Boston …
High Toxic Algae Levels Found In Charles River, Health Advisory
State officials warn of algae bloom along Boston river | AP News
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