USFS FIA Excel file of carbon in us forests by state
The forest carbon is derived from USFS FIA measures of forest by species and size every 5 yrs. This file has info for 1987, 1992, 1997.

File 14121 is a 638kB Excel
Uploaded: Dec19 08
https://serc.carleton.edu/download/files/14121/stateforestcarbonsummaries.xls

• Tools and Data
  https://serc.carleton.edu/eet/globecarbon/tool_data.html
• Going Further
  https://serc.carleton.edu/eet/globecarbon/going_further.html