"Primeval Indiana" - Black oak (Quercus velutina) savanna. Hoosier Prairie Nature Preserve. Managed by Indiana Department of Natural Resources and National Park Service (a unit of Indiana Dunes Nation

"Primeval Indiana" - Black oak (Quercus velutina) savanna. Hoosier Prairie Nature Preserve. Managed by Indiana Department of Natural Resources and National Park Service (a unit of Indiana Dunes Nation