About Us: The Castle Rock Colorado Genealogical Society (CRCGS) is a 501(c)3 non-profit organization of individuals with a passion for the discovery of their ancestry. The society functions through the support of volunteers who contribute their knowledge, time, and effort. The mission of the society is to (1) promote genealogy through education and research, (2) encourage high standards of research, instruction, documentation and preservation, and (3) locate, preserve and index public and private records, and make them available. Copyright © 2021. All Rights Reserved.