| 1930s_airphotos_05 | 1930's Digital Orthorectified Image of Audubon County, Iowa, in MrSid Format | |
| 1950s_airphotos_05 | 1950's Digital Orthorectified Image of Audubon County, Iowa, in MrSid Format | |
| 1960s_airphotos_05 | 1960's Digital Orthorectified Image of Audubon County, Iowa, in MrSid Format | |
| 1970s_airphotos_05 | 1970's Digital Orthorectified Image of Audubon County Iowa | |
| 1980s_CIR_airphotos_05 | 1980's Digital Orthorectified Image of Audubon County, Iowa, in MrSid Format | |
Not Avail. |
1990s_airphotos_05 | 1990's Airphoto Mosaic for Adubon County |
| 2002_CIR_05 | 2002 Color-Infra-Red Airphoto Mosaic for Audubon County | |
| 2004_NAIP_airphotos_05 | 2004 National Agriculture Imagery Program (NAIP) Aerial Photography for Audubon County, Iowa | |
| 2005_NAIP_airphotos_05 | 2005 National Agriculture Imagery Program (NAIP) Aerial Photography for Audubon County, Iowa | |
| 2006_NAIP_airphotos_05 | 2006 National Agriculture Imagery Program (NAIP) Aerial Photography of Audubon County, Iowa | |
| 2007_NAIP_airphotos_05 | 2007 National Agriculture Imagery Program (NAIP) Aerial Photography of Audubon County, Iowa | |
| 2008_NAIP_airphotos_05 | 2008 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Audubon County, Iowa | |
| 2009_CIR_airphotos_05 | 2009 Two Foot Pixel, Color Infrared Orthophotography Mosaic of Audubon County Iowa | |
| 2009_color_airphotos_05 | 2009 Two Foot Pixel, Color Orthophotography Mosaic of Audubon County Iowa | |
| 2009_NAIP_airphotos_05 | 2009 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Audubon County, Iowa | |
| 2010_NAIP_airphotos_05 | 2010 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Audubon County, Iowa | |
| 2011_NAIP_airphotos_05 | 2011 National Agriculture Imagery Program (NAIP) Four-Band Aerial Photography of Audubon County Iowa | |
| andreas_atlas_05 | Georectified Image of Audubon County from the Illustrated Historical Atlas of the State of Iowa, 1875, by A.T. Andreas | |
| census_1990_05 | US Bureau of the Census, 1990 STF3a block level for Audubon County, Iowa | |
| census_2000_blocks_05 | Audubon County Census 2000 Blocks | |
| common_land_unit_05 | Common Land Unit for AudubonCounty, Iowa | |
| contours_2ft_05 | Generalized Two Foot Contours of Audubon County Iowa Derived from Lidar Data | |
| DEM_3M_I_05 | Three Meter Digital Elevation Model of Audubon County Iowa as an Imagine 16-bit Integer Raster | |
| DOT_roadmap_05 | Iowa DOT Audubon County Highway Transportation Map, 2005 | |
| GLO_maps_05 | General Land Office (GLO) Maps of the State of Iowa, as Surveyed from 1836-59, Audubon County | |
| GLO_vegetation_05 | Government Land Office Vegetation 1832-1859 for Audubon County, Iowa | |
| Hillshade_1M_05 | Hillshade of Audubon County Iowa Derived from the LiDAR One Meter Digital Elevation Model | |
| NWI_05_line | National Wetlands Inventory data for Audubon County, Iowa | |
| NWI_05_poly | National Wetlands Inventory data for Audubon County, Iowa | |
| NWI_remap_line_05 | National Wetland Inventory Remap and Update, Line Features, of AudubonCounty, Iowa | |
| NWI_remap_poly_05 | National Wetland Inventory Remap and Update, Polygon Features, of AudubonCounty, Iowa | |
| PLSS_05 | Public Land Survey System for Audubon County, Iowa | |
| PLSS_QQQ_05 | Public Land Survey System, Quarter-Quarter-Quarter Sections, of Audubon County Iowa | |
| rivers_05 | Rivers of Audubon County | |
| roads_2006_05 | Road Centerlines of Audubon County, Iowa, 2006, from Iowa DOT GIMS files | |
| soils_05 | Iowa Cooperative Soil Survey (ICSS) Digital Soil Data for Audubon County | |
| spot_05 | Digital spot data for Audubon County, Iowa | |
| ssurgo_line_05 | Soil Survey Geographic (SSURGO) Database for Audubon County, Iowa | |
| ssurgo_soil_05 | Soil Survey Geographic (SSURGO) Database for Audubon County, Iowa | |
| ssurgo_spot_05 | Soil Survey Geographic (SSURGO) Database for Audubon County, Iowa | |
| USGS_quads_05 | USGS 7.5' Quad Mosaic for Audubon County |