Florida Geologic Survey (FGS)-Swallets

This data set represents swallets (Stream to sink features) discovered, researched and mapped by the Florida Department of Environmental Protection (FDEP), Florida Geological Survey (FGS), Florida Swallet Survey. The Florida Swallet Survey was a mapping program funded by the Florida Department of Environmental Protection's Florida Springs Initiative. A swallet is a stream to sink feature, meaning there is a contribution area that concentrates runoff into identifiable streams that disappear underground at a specific point through a sinkhole. The streams may be either intermittent or continuously flowing. Data collected includes: GPS points from a Trimble ProXR and TSC-1 Data Logger; length and width of pools and basins using a range finder; pool depths, if possible, using a hand-held sonar depth finder; color, clarity and visibility of the water in the pool using a secchi disk; photos were taken and written assessments were made of the geology, topography, vegetation, and notations of anything within a 150-meter radius.