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needs calibration; it is the equivalent of a hammer in a carpenter’s toolbox. No calibration or ...
equivalent of a hammer in a carpenter’s toolbox. No calibration or explanation needed; you just use it. ...
Grand Lake St. Marys has lost an estimated $60-80 million in tourism due to harmful algae blooms. And in 2011, algae blooms covered 990 square miles of Lake Erie's surface area, the largest in the lake's history. Phosphorus is the pollutant most ...