http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
edited by Woodrow B. Thompson, Maine Geological Survey, Harold W. Borns Jr., University of Maine, Orono ; cartographic editors, Robert A. Johnston, Maine Geological Survey, Robert D. Tucker, Maine Geological Survey.
Scale 1:500,000. 1 in. = approx. 8 miles ;