National Monument web page for the Castillo de San Marcos in St. Augustine Florida. The oldest masonry fort in the continental United States started in 1672 by the Spanish to protect St. Augustine from the encroaching British colonies to the north …
https://www.nps.gov/casa/index.htm
Candela Citations
Public domain content
- National Monument web page for the Castillo de San Marcos in St. Augustine Florida. Authored by: U.S. National Park Service. Provided by: National Park Service. Located at: https://www.nps.gov/casa/index.htm. Project: National PArk Service. License: Public Domain: No Known Copyright