The USGS has a nice map tool:
They also have
"Statistics and information on the worldwide supply of, demand for, and flow of minerals and materials essential to the U.S. economy, the national security, and protection of the environment." go to http://minerals.usgs.gov/minerals/pubs/commodity/ likewise I bet the USFS might have forest statistics Antoinette "Toni" Stein, PhD Telephone:
650-853-0314
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