Front cover image for The valleys of Iowa

The valleys of Iowa

Print Book, English, 1968-
[Dept. of Geography, University of Iowa], [Iowa City], 1968-
volumes illustrations, maps (some folded) 28 cm.
119968
Valley width and stream discharge. Relationships in the major streams
"Completion report of Project N. A-006-IA, Iowa State Water Resources Research Institute, December 31, 1968."
Valley width and stream discharge. Relationships in the major streams