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Map of Iowa: map showing the surface distribution of the five drift sheets in Iowa, 1928
Iowa Geological Survey.
University of Iowa. Libraries. Map Collection
Iowa Geological Survey
English
Geology
1920-1930
United States
Iowa
G4151.C57 1928 .I6
1 map
No known copyright restrictions.
Contact the University of Iowa Libraries Map Collection: http://www.lib.uiowa.edu/sc/location-and-hours/
31858060835976.tif
Still image
geological maps
State maps
jp2
31858060835976