The numbers of land acquisition cases active today on behalf of the federal government are below the World War II volume, but the projects undertaken remain integral to national interests. In the past decade, Section attorneys have been actively involved in conservation work, assisting in the expansion of Everglades National Park in Florida (e. g., U. S. v. 480.00 Acres of Land, 557 F.3d 1297 (11th Cir. 2009)) and the creation of Valles Caldera National Preserve in New Can you explain this¿