August 23, 2008 in Voices
J. BART RAYNIAK photo

The Spokesman-Review The Department of Ecology is cleaning up lead, arsenic, zinc and cadmium that washed downstream from Idaho’s Silver Valley mining district and settled into the soil and sediments of the Spokane River. One thousand tons of dirt will be dug up and the area will be backfilled with clean sand and gravel.

 
 
 
 

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