Data sources: Hemlock woolly adelgid occurrence and county boundaries (USDA Forest Service Forest Health Protection, 2009); satellite imagery/states boundaries ( Microsoft Corporations and its data suppliers, 2009).
Recommended citation: World Resources Institute. Hemlock Wooly Adelgid Occurrence by County in the South [video]. 2010. Southern Forests For the Future. Last updated January 2010. http://www.seemyforest.org.
How does this only have 164 views? Our priorities are all out of whack.
rddl1990 9 months ago