Rrom the United States: http://www.statlab.iastate.edu/soils/nssc/explorer/soilex.htm For the rest of the world here is a good link.... http://www.itc.nl/~rossiter/research/rsrch_ss.html MidNight Six Billion and Counting Soil Carbon Credits Anyone? ---------------------------------------------------------------------- To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]