Pacific Northwest Region

Find your way around the geological region with this innovative map produced by the American Association of Petroleum Geologists. Printed in color, with the geologic information overlaid with a standard highway map, the map includes stratigraphic columns, tectonic maps, physiographic maps, area cross sections, geologic history of the region, a source information list, and a highway mileage chart.
Scale: 1" = 30 miles. Size: 43" x 28".

Washington, Oregon, and a section of Idaho.