Marilyn A. Martorano, a Registered Professional Archaeologist (RPA) and a San Luis Valley, Colorado native, is currently the owner/archaeologist of Martorano Consultants LLC in Longmont, Colorado. She has over 45 years of experience in cultural resource management and archaeological research in Colorado and the Rocky Mountain region. Marilyn holds a B.A. from Adams State University and a M.A. in Anthropology from Colorado State University. Her research interests include Culturally Modified Trees (CMTs), the archaeology of early Hispano settlements and the Old Spanish National Historic Trail (OSNHT) in the San Luis Valley, and the newly-identified prehistoric artifact type in Colorado, lithophones, an ancient musical instrument made of rock. Marilyn received the 2015 Colorado State Archaeologist’s Award for her work with CMTs, a 2018 History Colorado Stephen H. Hart Award for archaeological work at the Bromley/Koizuma/Hishinuma Farm, and a 2019 History Colorado Stephen H. Hart Award for archaeological work on the historic Tarryall National Register of Historic Places rural district nomination. In 2021, Marilyn received the History Colorado Stephen H. Hart Award for lithophone research at Great Sand Dunes National Park and Preserve in the San Luis Valley.