http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Total intensity magnetic map of the Isoline quadrangle, Tennessee
by James M. Fagan, Robert W. Johnson, Jr. and Robin C. Hale.
Prepared in cooperation with the Tennessee Valley Authority.
Magnetic map (Tennessee. Division of Geology) ; M 108-SE