https://www.farmanddairy.com/news/ancient-mounds-inspire-farms-preservation-efforts/724281.html

http://bloomuexplore.blogspot.com/2014/06/snake-den-group-earthwork-and-goodbyes.html

https://www.appalachiaohioalliance.org/ai1ec_event/snake-den-mounds-beekeeping-tour-barr-family-farms/?instance_id

https://www.appalachiaohioalliance.org/2015/02/steve-goodwin-recognized-with-wildlife-conservationist-award-from-the-league-of-ohio-sport...

https://youtu.be/JMbBMD7UzXw

https://www.circlevilleherald.com/news/discovery-at-snake-den/article_6677b29e-6d4d-586f-813b-71f7a5cafba6.html

https://www.ohiohistory.org/preserve/state-historic-preservation-office/hpawards/past-recipients/2020-recipients-(1)/snake-den-mound