The Martha Canfield Library welcomes Bill Cotrofeld, organizer of the Southwestern Vermont Mineral & Gem Club, to talk about rocks and minerals, various types of fossils and the use of some common minerals to make everyday items. Bill will have examples of a variety of minerals for children and parents to see and will answer questions. This program will be held in the library meeting room on Tuesday, July 10 at 6:30 pm and is free and open to the public. Call the library at 802-375-6153 or check our website, marthacanfieldlibrary.org for more information.