When Rocks Collide April 16, 2008

Come explore California geology from the dramatic formation of the mountains, rivers and landscape to the many uses the earliest inhabitants had for the stones they found around them. Learn how Native Californians used stone in all aspects of their lives, from hunting, cooking, healing, for luck and in ceremonies. Experience the mystery of petroglyphs, the practicality of trade and the effect one particular mineral, gold, had on the people who lived here.