The Sierra College Natural History Museum is gearing up for the next Dinosaur Day. This biennial event continually grows in popularity offering the community a day of lively lectures, fun activities and a chance to get an up-close look at the collection of natural history specimens housed in the museum located on the Rocklin Campus of Sierra College. Included in its collection of fossil dinosaurs are a triceratops skull, a pachycephalosaurus skull, a giant theropod footprint and a full mount cast of a hypsilophodont and much more. The Dinosaur Day Committee is looking for artwork to be used on the …