Castillo de San Marcos National Monument, Florida: Shoreline Map
Cantor J. 2013. Castillo de San Marcos National Monument, Florida: Shoreline Map. Ocean & Coastal Resources Branch, NRSS. Fort Collins, CO
Data Sources: Shoreline: NOAA National Vector Shoreline: Shoreline Data Rescue Project of St. Marys to Edgewater and St. Johns River to Palatka, CM-7816, 1979 http://shoreline.noaa.gov/data/datasheets/index.html USGS Digital Line Graph 7.5 Minute Hydrography http://eros.usgs.gov/#/Find_Data/Products_and_Data_Available/DLGs Bathymetry: NOAA CSC Bathymetric Contours for the State of Florida and Surrounding Areas http://www.fgdl.org/ Imagery: USGS High Resolution State Orthoimagery for St. Johns County, Florida, 2008 http://nationalmap.gov/