The Quarry Trail (Q1, Q2) takes visitors through the bottom of the abandoned quarry. The rock walls surrounding the quarry bottom are composed of limestone. Limestone consists mainly of calcium ...
Chicagoans do not have to venture to the grand halls of the Field Museum to study the fascinating ancient natural history of the Windy City. They simply need to look out their windows or walk down ...
When Ashby Gale, the owner of Charleston Fossil Adventures, found a teardrop-shaped oyster shell encrusted in concrete-like limestone on South Carolina’s Folly Beach in 2015, he knew it was special.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback