From 7pm

At Nature Learning Center

Sarah Garlick, from North Conway, author of Flakes, Jugs, and Splitters: a Rock Climber's Guide to Geology, and the National Geographic Pocket Guide to Rocks and Minerals in North America. Sarah will walk the audience through 400 million years of geologic history in the White Mountains. Learn about the different types of rocks you find in the White Mountains, clues for identifying them, and how geologic maps can help your own geologic exploration of the mountains.