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Iowa Regional: Data | Maps Walnut Creek: Data | Maps
Name Description Data
Drainage Drainage features from the Iowa Cooperative Soil Survey; line; shapefile; UTM Zone 15, NAD83 DOWNLOAD
PLSS Section Boundaries Public Land Survey System section boundaries from the Iowa Department of Natural Resources NRGIS Library; polygons; shapefile; UTM Zone 15, NAD83 DOWNLOAD
PLSS Township Boundaries Public Land Survey System township boundaries from the USGS National Atlas; polygons; shapefile; UTM Zone 15, NAD83 DOWNLOAD
Railroads Railroads from Census 2000 TIGER/Line; line; shapefile; UTM Zone 15, NAD83 DOWNLOAD
Regional Points SMEX 2002 regional sample points; shapefile; UTM Zone 15, NAD83 DOWNLOAD
Roads Road centerlines from Census 2000 TIGER/Line; line;  shapefile; UTM Zone 15, NAD83 DOWNLOAD
Soils Digital soil map units from Iowa Cooperative Soil Survey; polygon; shapefile; UTM Zone 15, NAD83 DOWNLOAD
Streams Stream centerlines from Census 2000 TIGER/Line; line;  shapefile; UTM Zone 15, NAD83 DOWNLOAD
ISPAID User's Guide Iowa Soil Properties and Interpretation Database guide; provides descriptions of attributes contained in digital soils data shapefile DOWNLOAD