·         County Clerk Locator 

http://www.naco.org/  

·         County Maps All States 

http://quickfacts.census.gov/qfd/maps/  

·         Energy Information Administration 

http://eia.doe.gov/  

·         Energy Connection 

http://energyconnect.com/  

·         Oklahoma Maps 

http://www.okladot.state.ok.us/hqdiv/p-r-div/maps  

·         Texas Maps 

http://www.county.org/resources/countydata/bin/locator.html  

·         National Association of Royalty Owners 

http://www.naro-us.org/  

·         National Division Order Association 

http://www.nadoa.org/  

·         Baker Hughes Rig Count 

http://www.bhinet.com/investor/rig/rig_na.html  

·         Energy News 

http://usaoilfield.com/  

·         Oil and Gas Prices  

http://www.wtrg.com/daily/oilandgasspot   

·         Ethanol Information 

http://www.ethanolrfa.org/industry/statistics  

·         Daily Natural Gas Price 

http://www.energyintel.com/DocumentDetail.asp?document_id=41286  

·         Production Gathering 

http://www.pgcgas.com/