Fournier, AMV, Wilson, RR, Lyons, JE, Gleason, JS, Adams, EM, Barnhill, LM, Brush, JM, Cooper, RJ, DeMaso, SJ, Driscoll, MJL, Eaton, MJ, Frederick, PC, Just, MG, Seymour, MA, Tirpak, JM, and Woodrey, MS, 2021 Structured decision making and optimal bird monitoring in the northern Gulf of Mexico U.S. Geological Survey Open-File Report 2020–1122, 62 p., https://doi.org/10.3133/ofr20201122.