Relief shown by contour lines and spot heights. Text, table, and 2 inset maps of the upper Mississippi alluvial valley during the Late Pleistocene included on sheet 1. Columnar sections on sheet 2. Includes bibliography on sheet 1.
Series:
Miscellaneous field studies / Department of the Interior, U.S. Geological Survey ; map MF-1803
OCLC:
(OCoLC)13391168
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.