From List of National Natural Landmarks, these are the National Natural Landmarks in the U.S. state of Oregon.[1]

Oregon National Natural Landmarks (clickable map)
References
- ↑ Hale, Jamie (August 10, 2016). "Oregon Travel News: Oregon's 11 National Natural Landmarks". The Oregonian. Oregonlive / The Oregonian. Retrieved 2017-08-10.
- 1 2 "Horse Ridge Natural Area". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2009-04-05.
- ↑ "Lawrence Memorial Grassland Preserve". Conservation Gateway. The Nature Conservancy. Retrieved 2017-08-10.
- ↑ "Round Top Butte RNA". Pacific Northwest Interagency Natural Areas Network. Oregon State University, Forestry Sciences Laboratory. Retrieved 2017-08-31.
- ↑ https://www.fs.fed.us/pnw/pubs/pnw_gtr895.pdf
- ↑ http://inr.oregonstate.edu/sites/inr.oregonstate.edu/files/2015_or_natural_areas_plan.pdf
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