Groundwater February 10, 2021 Aquiclude Aquifer Aquitard Bore +11 Confined Contamination Great Artesian Basin Groundwater Human Impact M4 Overextraction Overuse Stream Subsidence Unconfined Water Wetland Aquiclude Aquifer Aquitard Bore Confined Contamination Great Artesian Basin Groundwater Human Impact M4 Overextraction Overuse Stream Subsidence Unconfined Water Wetland