New research conducted at Iowa State University led to the successful creation of a detailed Quaternary geological map for the Des Moines Lobe with a user-controlled level of scale, with the results ...

The U.S. Geological Survey is conducting low-level airplane flights over a broad region in Missouri, Illinois, Iowa and ...

Geologic maps are used to locate natural resources, such as water or oil, or the best place to hunt for fossils, but they can also be eye catching works of art. Sharon Purdy A low-lying topographic ...