Nick Hornicak of North Huntingdon digs dinosaurs, literally. The 24-year-old Indiana University of Pennsylvania graduate student was part of a team of fellow dinosaur diggers who in June worked in the ...

The display includes a lab in which visitors can interact with researchers.

At head of title: Geological survey of Pennsylvania ... DICTIONARY OF THE FOSSILS OF PENNSYLVANIA AND NEIGHBORING STATES NAMED IN THE REPORTS AND CATALOGUES OF THE SURVEY COMPILED BY JP LESLEY ...

For millions of years, the land we now call the United States has been home to towering prehistoric beasts, strange sea creatures, and lush ancient forests that no longer exist. Evidence of this ...