Andrea Croskrey is a licensed professional geologist at the Texas Water Development Board. She has been mapping brackish aquifers and writing publications as a member of the agency’s Brackish Resources Aquifer Characterization System (BRACS) since 2013. Prior to working for the state, she was a geologist for the United States National Park Service, developing geologic geodatabases for use in Geographic Information Systems (GIS). Andrea earned a Bachelor of Science in Comprehensive Geology from Northwest Missouri State University and a Master of Science in Geosciences from Western Kentucky University, specializing in karst hydrology and geomorphology. In 2011, she moved from Lakewood, Colorado to Austin, Texas where she enjoys riding her bicycle and exploring caves.