http://www.ok.gov/~okag/index.htm
Another sustainable farming site
http://www.kerrcenter.com/
Local Harvest
http://www.localharvest.org/
Made in OK
http://www.madeinoklahoma.net/Okgrown.htm
Our Yahoo Groups Website
http://groups.yahoo.com/group/wanderers_end/
Sun Mar Composting Toilets
http://www.composttoilets.net/index.htm
Sustainable Tulsa
http://www.sustainabletulsa.org/
flying concrete roof
http://www.oocities.org/flyingconcrete/hypar.htm