VALLEJO, Calif., Nov. 18, 2016 – The U.S. Department of Agriculture (USDA) announced today that the U.S. Forest Service has identified an additional 36 million dead trees across California since its last aerial survey in May 2016.
From: http://www.usda.gov/wps/portal/usda/usdahome?contentid=2016/11/0246.xml&contentidonly=true
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