Relief shown by shading and spot heights. "*GPO: 1970--O-387-192." Panel title. Includes descriptive index to points of interest. Text, area map with descriptive index, legend, diagrams, and illustrations (some col.) on verso.
OCLC:
(OCoLC)41447263
Locations:
OVUX522 -- University of Iowa Libraries (Iowa City)
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.