Water Quality Monitoring Report for the Illinois River Basin CY 2020. Presented to the Arkansas-Oklahoma Compact Commission, September 2021 (PDF file).
Oklahoma Scenic Rivers Joint Study Committee Final Report, December, 2016 by Baylor University (PDF file).
Illinois River Upland and In-Stream Phosphorus Modeling Final Report by Dr. Daniel E Storm, Mr. Michael J. White, and Dr. Michael D. Smolen, June, 2006 (PDF file).
2021 Final Report on County (Poultry) Registration. Arkansas Natural Resources Commission (ANRC). (PDF file).
2019 Final Report on County (Poultry) Registration. Arkansas Natural Resources Commission (ANRC). (PDF file).
2021 Oklahoma Report on Poultry Waste Production. Oklahoma Department of Agriculture, Food, and Forestry (ODAFF).
