EPA Region 6
http://www.epa.gov/Region6/

Louisiana Department of Environmental Quality
http://www.deq.louisiana.gov/portal/

Louisiana Department of Natural Resources
http://dnr.louisiana.gov/

Louisiana Geological Survey
http://www.lgs.lsu.edu/

Louisiana Land Records
http://www.land-records.com/land-records/louisiana-land-records.htm

Louisiana Mid-Continent Oil And Gas Association
http://www.lmoga.com/

Louisiana Mineral Resources
http://dnr.louisiana.gov/MIN/min.asp

Louisiana Office of Conservation
http://dnr.louisiana.gov/cons/conserv.ssi

Louisiana Oil and Gas Association
https://www.loga.la/AM/Template.cfm?Section=Home

PTTC Central & Eastern Gulf Region
http://www.pttc.org/central_eastern/central_eastern_gulf_home.htm

Haynesville Shale Land Owners
http://www.haynesvilleshalelandowners.org/

Twin Cities Development
http://twincitiesdev.com/index.html