GeoSTRAT"GeoSTRAT – Geosciences Technical Resource Assessment Tool Find locations of springs, mines, sinkholes and more using the Missouri Geosciences Technical Resource Assessment Tool. GeoSTRAT is a Web application that makes geologic and hydrologic data readily available for public use. GeoSTRAT enables users to easily visualize and explore geospatial data using an interactive map. Data also can be downloaded in formats compatible with a variety of free and commercial mapping software."--http://www.dnr.mo.gov/geology/geostrat.htm