DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Spring locations used in the transmissivity map

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of the U.S. Geological Survey Groundwater Resources Program. This feature class contains the first magnitude springs of the first magnitude springsheds.

本数据集于2016年10月1日美国地质调查局（U.S. Geological Survey, USGS）科学数据审核、批准与发布政策生效前发布，该政策的具体要求详见USGS《调查手册第502.8章：基础科学实践：科学数据发布的审核与批准》。作为美国地质调查局地下水资源计划的组成部分，本数据集针对佛罗里达含水层系统（Floridan aquifer system）中的选定水文地质单元（hydrogeologic unit），生成了数字化界面与厚度数据，用于构建更新后的水文地质框架（hydrogeologic framework）。该要素类（feature class）包含一级泉域（springsheds）内的一级泉（first magnitude springs）数据。