NRCS  (Natural Resource Conservation Service)
http://www.nrcs.usda.gov/

Army Corps of Engineers
http://www.usace.army.mil/

Scenic Rivers Commission
http://www.oklahomascenicrivers.net/events.asp

Oklahoma Department of Environment Quality (DEQ)
http://www.deq.state.ok.us/

Oklahoma Water Resource Board (OWRB)
http://www.owrb.ok.gov/

Oklahoma Corporation Commission
http://www.occ.state.ok.us/

Oklahoma Secretary of State
http://www.sos.state.ok.us/

Oklahoma Supreme Court
http://www.oscn.net/OSCN/schome/start.htm

U.S. Fish and Wildlife
http://www.fws.gov/

State Historical Society
http://www.okhistory.org/

State Archeological Society
http://www.ou.edu/cas/archsur/ 

Oklahoma Statutes
http://www.lsb.state.ok.us/osStatuesTitle.html