The Judith River Group is a group of geologic formations in western North America dating from the late Cretaceous and noted as a site for the extensive excavation of dinosaur fossils. The formation is
Dinosaur Park Formation in Dinosaur Provincial Park, Alberta
The Judith River is a tributary of the Missouri River, approximately 124 mi long, running through central Montana in the United States. It rises in the Little Belt Mountains and flows northeast past U
Judith River Group
…North America dating from the late Cretaceous and noted as a site for the extensive excavation of dinosaur fossils. The formation is named after the Judith River in Montana. The group is also called the Judith River Wedge. It is stratigraphically equivalent with the Belly River Group in Alberta. It comprises the…