14"x14" Interpretive Trail Sign "ROCK IDENTIFICATION" invites observation, provides information on rock formation and classifcation, and identifies 18 types of rocks. Also available at 20”x20” and 25”x25”.

24"x36" Interpretive Trail Sign "DINOSAURS IN IOWA" invites observation, and provides information on how fossils are formed along with site-specific content and map. Identifies 12 fossil specimens.

24”x36” Interpretive Trail Sign “GLACIAL MOUND” includes information on glacial movement across the continent, glacial features on the landscape and how kames form.