Relief shown by contours and spot heights. "Geology mapped in 1959-62"--Margin. Includes 2 index maps and 2 col. cross-sections. Includes bibliographical references on sup. sheet.
Series:
Geologic quadrangle maps of the United States ; GQ-670
OCLC:
(OCoLC)21420423
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.