• Nielsen Environmental Field School

Associations

• American Fisheries Society
• Arkansas Chapter
• Texas Chapter
• American Water Works Association
• Texas Chapter
• Arkansas Water Resources Conference
• Inter-Tribal Environmental Council
• Oklahoma Clean Lakes Association
• Texas Alliance of Groundwater Districts
• Texas Water Conservation Association
• Texas Water Monitoring Congress

Federal Agency Websites

• International Boundary Water Commission
• NOAA
• National Parks Service
• National Weather Service
• US Army Corps of Engineers
• US Environmental Protection Agency
• US Fish & Wildlife Service
• US Geological Survey

State Agency Websites

• Texas Commission on Environmental Quality
• Texas Parks & Wildlife Department
• Texas Water Development Board
• Lower Colorado River Authority
• Lavaca Navidad River Authority
• Lower Neches Valley Authority
• Sabine River Authority
• San Antonio River Authority
• Trinity River Authority
• Oklahoma Conservation Commission
• Oklahoma Department of Environmental Quality
• Oklahoma Department of Wildlife Conservation
• Oklahoma Water Resources Board
• Arkansas Department of Environmental Quality
• Arkansas Game & Fish Commission
• Arkansas Soil & Water Conservation Commission

Universities

• Austin College
• Baylor University
• Sam Houston State University
• Southern Methodist University
• Southwest Texas State University
• Stephen F. Austin State University
• Texas A&M University
• Texas A&M at Galveston
• Texas A&M at Corpus Christi
• Texas Christian University
• Texas Institute for Applied Environmental Research
• Texas Tech University
• University of North Texas
• University of Texas
• Univ. of Texas Marine Science Institute
• Northeastern State University
• Oklahoma State University
• Southwestern State University
• University of Central Oklahoma
• University of Oklahoma
• Arkansas State University
• Arkansas Technical University
• University of Arkansas
• University of Arkansas at Pine Bluff

Local to Sulphur Springs, Texas

• Cooper Lake State Park
• Hopkins County Chamber of Commerce
• Hopkins County Regional Civic Center
• Lake Fork Reservoir
• Sulphur Springs Economic Development Corporation
• Sulphur Springs School District
• Tourism Informatiom