Relief shown by contours and spot heights. "Geology by Medora H. Krieger, Beth M. Madsen, and Helen W. Worthington, 1957-62." Separate sheet with text and bibliography accompanies map GQ-671. Includes index map, cross sections, and quadrangle map.
Series:
Geologic quadrangle maps of the United States ; GQ-671
OCLC:
(OCoLC)20404364
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.