https://dwr.virginia.gov/wildlife/information/black-bear/ Black bear information
https://dwr.virginia.gov/hunting/regulations/ hunting information
http://www.virginiaplaces.org/watersheds/origindrummond.html origin of swamp and lake
https://descendantsofthegreatdismal.com/2020/03/23/the-firebird-legend/ Legend of the firebird
https://www.jstor.org/stable/pdf/23491501.pdf 1901 botanical survey
https://dismalswampwelcomecenter.com/ GDS welcome center website
https://www.nps.gov/subjects/nnlandmarks/site.htm?Site=GRDI-VA National Natural Landmark
http://frogs-ny.org/threats-to-the-great-swamp/ information about invasive plants