Darvill, T., ed. (2003). Oxford Concise Dictionary of Archaeology. Oxford University Press. ISBN 0-19-280005-1. 0-19-280005-1
Gabet, Emmanual. "When a tree falls in the forest, does it make a soil?". Science Education Resource Center at Carleton College. Archived from the original on 3 May 2021. Retrieved 29 April 2023. https://serc.carleton.edu/vignettes/collection/37803.html
Clinton, Barton D.; Baker, Corey R. (2000). "Catastrophic windthrow in the southern Appalachians: Characteristics of pits and mounds and initial vegetation responses" (PDF). Forest Ecology and Management. 126 (1): 51–60. Bibcode:2000ForEM.126...51C. doi:10.1016/S0378-1127(99)00082-1. http://coweeta.uga.edu/publications/1394.pdf
Gabet, Emmanual. "When a tree falls in the forest, does it make a soil?". Science Education Resource Center at Carleton College. Archived from the original on 3 May 2021. Retrieved 29 April 2023. https://serc.carleton.edu/vignettes/collection/37803.html
Gabet, Emmanual. "When a tree falls in the forest, does it make a soil?". Science Education Resource Center at Carleton College. Archived from the original on 3 May 2021. Retrieved 29 April 2023. https://serc.carleton.edu/vignettes/collection/37803.html
Gabet, Emmanual. "When a tree falls in the forest, does it make a soil?". Science Education Resource Center at Carleton College. Archived from the original on 3 May 2021. Retrieved 29 April 2023. https://serc.carleton.edu/vignettes/collection/37803.html