Trinda Bedrossian began working for the California Geological Survey (CGS) in 1970. In this capacity, she supervised several CGS programs, including the Forest and Watershed Geology Program, the Mineral Resources Program, the Environmental Protection Program, the Geological Information and Natural Resources Program, and the Watershed Restoration Program. She served as an editor of California Geology magazine, authored and co-authored more than 65 publications on California’s geology, and supervised the mapping of over 4,000 square miles of California’s land. She is currently in the process of completing a 165-year history of the California Geological Survey (1850-2015) to be published at the end of the year.