Digital Downloadable Geological Highway Map
This colorful, educational map presents state/regional surface rock outcrop information - age, depositional environment, rock type, and names of formations. Map includes major highways, towns, and landmarks. The advantage of the PDF format is that it scales to the available printer (print at any size). The PDF also offers a resource for printing clean copies or multiple copies for group use.States included are Idaho, Montana, and Wyoming.
PDF File is 28MB