Protected area of the united states
area subject to management by federal, state, tribal or local authorities, with variability in protection received
National Wildlife Refuge
state park of the United States
Devils River State Natural Area
wilderness area
United States National Grassland
Dakota Prairie Grasslands
United States National Forest
National Landscape Conservation System
National Petroleum Reserve–Alaska
protected area of Michigan
Rocky Woods
Bering Land Bridge National Preserve
National Monument of the United States