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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

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Field Boundaries

SMEX 2002 Field boundaries; polygon; shapefile; UTM Zone 15, NAD83

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PLSS Section Boundaries

Public Land Survey System section boundaries from the Iowa Department of Natural Resources NRGIS Library; polygons; shapefile; UTM Zone 15, NAD83

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PLSS Township Boundaries

Public Land Survey System township boundaries from the USGS National Atlas; polygons; shapefile; UTM Zone 15, NAD83

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Railroads

Railroads from Census 2000 TIGER/Line; line; shapefile; UTM Zone 15, NAD83

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Roads

Road centerlines from Census 2000 TIGER/Line; line;  shapefile; UTM Zone 15, NAD83

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Soils (all)

Digital soil map units from Iowa Cooperative Soil Survey; polygon; shapefile; UTM Zone 15, NAD83

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Soils (clip)

Same digital soils as "Soils (all)", but clipped by the research field boundaries; polygon; shapefile; UTM Zone 15, NAD83

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Streams

Stream centerlines from Census 2000 TIGER/Line; line;  shapefile; UTM Zone 15, NAD83

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Town Limits

Census town limits from Census 2000 TIGER/Line; polygon; shapefile; UTM Zone 15, NAD83

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ISPAID User's Guide

Iowa Soil Properties and Interpretation Database guide; provides descriptions of attributes contained in digital soils data shapefile.

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