| http://www.w3.org/ns/prov#value | - Keeping an eye on domestic water supplies for terroristist introduced bad stuff' are bluegills, as reported here: San Francisco, New York, Washington and other big cities are using bluegills ??? also known as sunfish or bream ??? as a sort of canary in a coal mine to safeguard their drinking water.Small numbers of the fish are kept in tanks constantly replenished with water from the municipal sup
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