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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy
Fossils may be found either associated with a geological formation or at a single geographic site. Geological formations consist of rock that was deposited during a specific period of time. They usually extend for large areas, and sometimes there are different important sites in which the same formation is exposed.
Hagerman Fossil Beds National Monument is a Pliocene-age site near Hagerman, Idaho. The 4,351-acre (17.61 km 2 ) Monument is internationally significant because it protects one of the richest known fossil deposits from the Blancan North American Land Mammal Age. [ 3 ]
A reconstructed fossil cycad Paleobotanist George Wieland before 1920. Fossil Cycad National Monument was a national monument in the U.S. state of South Dakota beginning in 1922. The site contained hundreds of fossils of the cycad-like bennettitalean plant Cycadeoidea, one of the world's greatest concentrations. [1]
Fossil Butte National Monument is a United States National Monument managed by the National Park Service, located 15 miles (24 km) west of Kemmerer, Wyoming, United States. It centers on an assemblage of Eocene Epoch (56 to 34 million years ago) animal and plant fossils associated with Fossil Lake —the smallest lake of the three great lakes ...
John Day Fossil Beds National Monument is a U.S. national monument in Wheeler and Grant counties in east-central Oregon.Located within the John Day River basin and managed by the National Park Service, the park is known for its well-preserved layers of fossil plants and mammals that lived in the region between the late Eocene, about 45 million years ago, and the late Miocene, about 5 million ...
The Morrison Formation is a distinctive sequence of Late Jurassic sedimentary rock that is found in the western United States, which has a wide assortment of taxa represented in its fossil record, including dinosaur fossils in North America. It is composed of mudstone, sandstone, siltstone and limestone and is light grey, greenish gray, or red.
Pages in category "Fossil museums in the United States" The following 17 pages are in this category, out of 17 total. This list may not reflect recent changes. A.