Shipping list number: 2000-0072-P. Includes 5 ancillary maps. Text includes bibliographical references (pages 28-31). "Digital cartography by David L. Campbell and Diane E. Lane."
Contents:
Map A. Aeromagnetic map -- Map B. Bouguer gravity map.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.