July 20 and 30, 2011; 1 - 4pm
Cranbrook Institute of Science will offer two public viewings of the cleaning and preservation of the fossilized bones of a mastodon discovered earlier this summer near the town of Otter Lake in northwest Lapeer County. Prep labs will be open to the public July 20 and July 30, 1-4pm each day. The viewings are free with admission to the Institute of Science.