natural area
geographical area affected by little or no human activity
natural landscape
original landscape formed by nature
Succor Creek State Natural Area
state park in Oregon, USA
Fort Rock State Natural Area
state park in Oregon, USA
Sutton Pools
backwater on the course of the River Thames
Cache River State Natural Area
state park in Johnson County, Illinois, United States
Sitka Sedge State Natural Area
natural area in Tillamook County, Oregon, United States
Golden and Silver Falls State Natural Area
state park near Coos Bay, Oregon, United States
Devils Punch Bowl State Natural Area
park on the central Oregon coast
conservation easement
interest in real property established by agreement between a landowner and a land trust or unit of government
Spitler Woods State Natural Area
state park in Macon County, Illinois, USA