Crews excavating vertebrate fossils from the Hayden Quarry at Ghost Ranch, NM. These rocks contain abundant fossils of pollen, charcoal, fish, and reptiles, all of which were used to reconstruct ...

The Quarry Trail (Q1, Q2) takes visitors through the bottom of the abandoned quarry ... Numerous marine organisms used the dissolved calcium carbonate in the seawater to form internal skeletons and ...