These formations, known as the Cincinnatian Series, are approximately 200 meters (600 feet) thick and are composed of alternating thin to very thin bedded, gray, fossiliferous limestone and blue-gray ...

Mudstone, shale, and limestone are examples of sedimentary rock likely to contain fossils. As the layers of sediment build up on top of one another, they create a physical timeline. The oldest layers, ...

Point Bar Features Larger fragments of limestone and weathered shale are common, as are individual fossils weathered out of their enclosing rocks. Cut Bank Features A close-up view of the cut bank ...

and shale and limestone mountains. This is a land where elk, moose, wolves, and bighorn sheep roam almost as freely today as ...

EMSTEEL one of the largest publicly traded steel and building materials manufacturers in the region has forged strategic ...