Compiled by H. B. Renfro. Learn more about the geological history of the rocks around you! This colorful, educational map presents state/regional surface rock outcrop information—age, depositional environment, rock type, and names of formations. Includes major highways, towns, and landmarks. Printed on a single sheet and folded to glove compartment size, has a stratigraphic column by state, mileage charts. Scale: 1 inch = 30 miles.
American Association of Petroleum Geologists. 36" x 28" unfolded. 1979.