- P.O. Box 961 Livermore, CA 94551-0961 925-449-9927 lhg@lhg.org The goal of the Livermore Heritage Guild is expressed by its motto, Help save yesterday for tomorrow. The Guild is an information source for those who are interested in the history of Livermore and houses its collection in the historic Carnegie Library Building in downtown Livermore. Officers Chairman: Tim Sage Vice-chairman: Dick ...www.lhg.org