Hoyle, Zoë (12 June 2014). "The Chipola Experimental Forest". United States Forest Service Southern Research Station. Archived from the original on 2020-11-21. Retrieved 21 November 2020.
Hoyle, Zoë (12 June 2014). "The Chipola Experimental Forest". United States Forest Service Southern Research Station. Archived from the original on 2020-11-21. Retrieved 21 November 2020.