The Southern California Branch of Groundwater Resources Association of California virtual branch meeting on Tuesday, February 15, 2022 will feature Marvin F. Glotfelty, PG, Principal Hydrogeologist Clear Creek Associates, LLC, a Geo-Logic Company. With 37 years of experience involving design, installation, rehabilitation, or decommissioning of approximately 1,000 water wells, Mr. Glotfelty is recognized as one of the leading experts in water well design and construction technology in the United States.