| 1930s_airphotos_38 | 1930's Digital Orthorectified Image of Grundy County, Iowa, in MrSid Format | |
| 1950s_airphotos_38 | 1950's Digital Orthorectified Image of Grundy County, Iowa, in MrSid Format | |
| 1960s_airphotos_38 | 1960's Digital Orthorectified Image of Grundy County, Iowa, in MrSid Format | |
| 1970s_airphotos_38 | 1970's Digital Orthorectified Image of Grundy County Iowa | |
| 1980s_CIR_airphotos_38 | 1980's Digital Orthorectified Image of Grundy County, Iowa, in MrSid Format | |
| 1990s_airphotos_38 | 1990's Airphoto Mosaic for Grundy County | |
| 2002_CIR_38 | 2002 Color-Infra-Red Airphoto Mosaic for Grundy County | |
Not Avail. |
2004_NAIP_airphotos_38 | 2004 National Agriculture Imagery Program (NAIP) Aerial Photography for Grundy County, Iowa |
| 2005_NAIP_airphotos_38 | 2005 National Agriculture Imagery Program (NAIP) Aerial Photography for Grundy County, Iowa | |
| 2006_NAIP_airphotos_38 | 2006 National Agriculture Imagery Program (NAIP) Aerial Photography of Grundy County, Iowa | |
| 2007_NAIP_airphotos_38 | 2007 National Agriculture Imagery Program (NAIP) Aerial Photography of Grundy County, Iowa | |
| 2008_NAIP_airphotos_38 | 2008 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Grundy County, Iowa | |
| 2009_NAIP_airphotos_38 | 2009 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Grundy County, Iowa | |
| 2010_CIR_airphotos_38 | 2010 Two Foot Pixel, Color Infrared Orthophotography Mosaic of Grundy County Iowa | |
| 2010_color_airphotos_38 | 2010 Two Foot Pixel, Color Orthophotography Mosaic of Grundy County Iowa | |
| 2010_NAIP_airphotos_38 | 2010 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Grundy County, Iowa | |
| 2011_NAIP_airphotos_38 | 2011 National Agriculture Imagery Program (NAIP) Four-Band Aerial Photography of Grundy County Iowa | |
| andreas_atlas_38 | Georectified Image of Grundy County from the Illustrated Historical Atlas of the State of Iowa, 1875, by A.T. Andreas | |
| census_1990_38 | US Bureau of the Census, 1990 STF3a block level for Grundy County,Iowa | |
| census_2000_blocks_38 | Grundy County Census 2000 Blocks | |
| common_land_unit_38 | Common Land Unit for Grundy County, Iowa | |
| contours_2ft_38 | Generalized Two Foot Contours of Grundy County Iowa Derived from Lidar Data | |
| DEM_3M_I_38 | Three Meter Digital Elevation Model of Grundy County Iowa as an Imagine 16-bit Integer Raster | |
| DOT_roadmap_38 | Iowa DOT Grundy County Highway Transportation Map, 2005 | |
| FEMA_DFIRM_38 | Digital Flood Insurance Rate Map, Flood Hazard Areas, of Grundy County, Iowa | |
| GLO_maps_38 | General Land Office (GLO) Maps of the State of Iowa, as Surveyed from 1836-59, Grundy County | |
| GLO_vegetation_38 | Government Land Office Vegetation 1832-1859 for Grundy County, Iowa | |
| Hillshade_1M_38 | Hillshade of Grundy County Iowa Derived from the LiDAR One Meter Digital Elevation Model | |
| NWI_38_line | National Wetlands Inventory data for Grundy County, Iowa | |
| NWI_38_poly | National Wetlands Inventory data for Grundy County, Iowa | |
| NWI_remap_line_38 | National Wetland Inventory Remap and Update, Line Features, of Grundy County, Iowa | |
| NWI_remap_poly_38 | National Wetland Inventory Remap and Update, Polygon Features, of Grundy County, Iowa | |
| PLSS_38 | Public Land Survey System for Grundy County, Iowa | |
| PLSS_QQQ_38 | Public Land Survey System, Quarter-Quarter-Quarter Sections, of Grundy County Iowa | |
| rivers_38 | Rivers of Grundy County | |
| roads_2006_38 | Road Centerlines of Grundy County, Iowa, 2006, from Iowa DOT GIMS files | |
| soils_38 | Iowa Cooperative Soil Survey (ICSS) Digital Soil Data for Grundy County | |
| spot_38 | Digital spots data for Grundy County, Iowa | |
| ssurgo_line_38 | Soil Survey Geographic (SSURGO) database with attached The Iowa Soil Properties And Interpretations Database (ISPAID) for Grundy County, Iowa | |
| ssurgo_soil_38 | Soil Survey Geographic (SSURGO) database with attached The Iowa Soil Properties And Interpretations Database (ISPAID) for Grundy County, Iowa | |
| ssurgo_spot_38 | Soil Survey Geographic (SSURGO) database with attached The Iowa Soil Properties And Interpretations Database (ISPAID) for Grundy County, Iowa | |
| USGS_quads_38 | USGS 7.5' Quad Mosaic for Grundy County |