Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
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Imagery: Linn County, Iowa, 2011

2011. Linn County Iowa GIS. Linn County, Iowa 2011 image service.Imagery Layer DetailsUpdate Frequency: NeverPixel Resolution (urban): 4-inchPixel Resolution (rural): 12-inchM...

2.
NAIP Aerial Photography Counties: Iowa, 2011

NAIP Aerial Photography Counties: Iowa, 2011

2011. USDA FSA. 2011 NAIP Aerial Photography of Iowa This file was generated by compressing NAIP imagery that cover the county extent. Two types of compression may...