Official records for Key West were kept at the Weather Bureau in downtown from January 1871 to February 1958, and at Key West Int'l since March 1958. For more information, see ThreadEx.
U.S. National Park Service Link recovered from Internet Archive December 23, 2010 Blank, Joan Gill. 1996. Key Biscayne. Sarasota, Florida: Pineapple Press, Inc. ISBN1-56164-096-4. P. 150.
"Pleistocene geology". USGS South Florida Information Access. September 4, 2013. Archived from the original on May 8, 2019. Retrieved May 8, 2019.