Celebrate mud season with an exploration of rare Jurassic-age rocks found only in Turners Falls- armored mud balls! Family friendly activities for all ages. How were they formed millions of years ago? How were they discovered by geologist Richard Little? Make your own armored mud ball to take home, with help from local geologist Steve Winters and DCR staff. Enjoy a tasty, armored mud ball treat. Meet in the Great Hall. Weather permitting, hunt for Jurassic armored mud balls on an easy walk to nearby Unity Park.