"Station: Mammoth Cave, KY". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Archived from the original on 2021-06-05. Retrieved June 5, 2021.
Wells, Steve G.; DesMarais, David J (February 1973). "The Flint–Mammoth Connection". NSS News. 21 (2). National Speleological Society: 18–22. Archived from the original on 2012-03-17.
Wells, Steve G.; DesMarais, David J (February 1973). "The Flint–Mammoth Connection". NSS News. 21 (2). National Speleological Society: 18–22. Archived from the original on 2012-03-17.
"Station: Mammoth Cave, KY". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Archived from the original on 2021-06-05. Retrieved June 5, 2021.