. . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Osprey nest platforms : section 5.1.6, US Army Corps of Engineers wildlife resources management manual"@en . "Osprey nest platforms : section 5.1.6, US Army Corps of Engineers wildlife resources management manual" . . . . "U.S. Army Engineer Waterways Experiment Station." . . . . "Birds Eggs." . . "Wildlife habitat improvement." . . "United States. Army. Corps of Engineers." . . "Wildlife management." . . "Birds Nests." . . "Osprey." . . "Environmental Laboratory (U.S.)" . .