Bob Marvinney, State Geologist of Maine, is the longest-serving
State Geologist, having been appointed in 1995. Bob is originally from New
Jersey. After studying geology in college and graduate school, he worked
briefly in the oil business in Houston before joining the Maine Geological
Survey.
Simon Engelhart has been named State Geologist of Rhode
Island. Among his many contributions, Simon has done research on relative
sea-level changes from Last Glacial Maximum to present, glacial isostatic
adjustment modeling, coastal paleoseismology and paleogeodesy, as well as paleoenvironmental
reconstruction using micropaleontology. Simon holds degrees from Durham
University and University of Pennsylvania.
Tim Cowman has been named State Geologist of South Dakota. Among
his many contributions, Tim has done research on the historical and recent
geology of the Missouri River, including the geomorphic processes that control
river dynamics, river energy distribution, and sedimentation. He has a Master's Degree in Natural Sciences from University of South Dakota, and a Bachelor's Degree in Earth Sciences and Chemistry, also from USD.
