1. Cattle, conservation, and carbon in the western Great Plains;JS Sanderson;J Soil Water Conserv,2020
2. USDA NASS. Farms, Land in Farms, and Livestock Operations 2012 Summary. 2013. https://downloads.usda.library.cornell.edu/usda-esmis/files/5712m6524/hd76s244b/3r074x62v/FarmLandIn-02-19-2013.pdf.
3. USDA NASS. 2020 State Agriculture Overview for South Dakota. 2021. https://www.nass.usda.gov/Quick_Stats/Ag_Overview/stateOverview.php?state=SOUTHDAKOTA.
4. EPA. Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990–2019. 2021. https://www.epa.gov/ghgemissions/inventory-us-greenhouse-gas-emissions-and-sinks-1990-2019.