The State - News from May 30, 1989
An abandoned copper mine is polluting nearby water supplies with copper sulfide and other toxic compounds that are threatening vacationers and aquatic life in the Spenceville Wildlife and Recreation Area about 50 miles north of Sacramento, Central Valley Regional Water Quality Control Board officials said. The Spenceville Mine was first mined in the late 1860s and remained in production until 1918. Steve Bond, a control board geologist, said vacationers often camp in areas polluted by hazardous tailings from the mine.
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