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Maps
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Upper Iowa River Watershed & Subwatersheds
Land Cover 2002
Elevation
High Quality Waters
Coldwater Stream Segments
High Quality Resource Waters
Water Sampling Locations
Nitrate Sampling Results
E. coli Sampling 2004
Soils
RUSLE Soil Loss
Population
DNR Owned Lands
Coldwater Cave
Karst (Selected Location Only)
Historic Vegetation
3D View of the Upper Iowa River at Decorah (Created using GIS)