Steve is a hydrogeologist with the National Park Service Water Resources Division in Fort Collins, Colorado, which provides technical assistance to the 400-plus Park Service units across the country. His focus is aquifer characterization studies especially related to developing potable water supplies for parks and protecting groundwater and groundwater-dependent resources from outside threats. Prior to his current position Steve was the Park Hydrologist at Grand Canyon National Park and a Project Chief at the USGS New Mexico Water Science Center.