| 1930s_airphotos_41 | 1930's Digital Orthorectified Image of Hancock County, Iowa, in MrSid Format | |
| 1950s_airphotos_41 | 1950's Digital Orthorectified Image of Hancock County, Iowa, in MrSid Format | |
| 1960s_airphotos_41 | 1960's Digital Orthorectified Image of Hancock County, Iowa, in MrSid Format | |
| 1970s_airphotos_41 | 1970's Digital Orthorectified Image of Hancock County Iowa | |
| 1980s_CIR_airphotos_41 | 1980's Digital Orthorectified Image of Hancock County, Iowa, in MrSid Format | |
| 1990s_airphotos_41 | 1990's Airphoto Mosaic for Hancock County | |
| 2002_CIR_41 | 2002 Color-Infra-Red Airphoto Mosaic for Hancock County | |
Not Avail. |
2004_NAIP_airphotos_41 | 2004 National Agriculture Imagery Program (NAIP) Aerial Photography for Hancock County, Iowa |
| 2005_NAIP_airphotos_41 | 2005 National Agriculture Imagery Program (NAIP) Aerial Photography for Hancock County, Iowa | |
| 2006_NAIP_airphotos_41 | 2006 National Agriculture Imagery Program (NAIP) Aerial Photography of Hancock County, Iowa | |
| 2007_CIR_airphotos_41 | 2007 Two Foot Pixel, Color Infrared Orthophotography Mosaic of Hancock County Iowa | |
| 2007_color_airphotos_41 | 2007 Two Foot Pixel, Color Orthophotography Mosaic of Hancock County Iowa | |
| 2007_NAIP_airphotos_41 | 2007 National Agriculture Imagery Program (NAIP) Aerial Photography of Hancock County, Iowa | |
| 2008_NAIP_airphotos_41 | 2008 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Hancock County, Iowa | |
| 2009_NAIP_airphotos_41 | 2009 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Hancock County, Iowa | |
| 2010_NAIP_airphotos_41 | 2010 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Hancock County, Iowa | |
| 2011_NAIP_airphotos_41 | 2011 National Agriculture Imagery Program (NAIP) Four-Band Aerial Photography of Hancock County Iowa | |
| andreas_atlas_41 | Georectified Image of Hancock County from the Illustrated Historical Atlas of the State of Iowa, 1875, by A.T. Andreas | |
| census_2000_blocks_41 | Hancock County Census 2000 Blocks | |
| common_land_unit_41 | Common Land Unit for HancockCounty, Iowa | |
| contours_2ft_41 | Generalized Two Foot Contours of Hancock County Iowa Derived from Lidar Data | |
| DEM_3M_I_41 | Three Meter Digital Elevation Model of Hancock County Iowa as an Imagine 16-bit Integer Raster | |
| DOT_roadmap_41 | Iowa DOT Hancock County Highway Transportation Map, 2005 | |
| drainage_district_tiles_41 | Drainage District Infrastructure of Hancock County, Iowa | |
| drainage_districts_41 | Drainage Districts of Hancock County, Iowa | |
| GLO_maps_41 | General Land Office (GLO) Maps of the State of Iowa, as Surveyed from 1836-59, Hancock County | |
| GLO_vegetation_41 | Government Land Office Vegetation 1832-1859 for Hancock County, Iowa | |
| Hillshade_1M_41 | Hillshade of Hancock County Iowa Derived from the LiDAR One Meter Digital Elevation Model | |
| NWI_41_line | National Wetlands Inventory data for Hancock County, Iowa | |
| NWI_41_poly | National Wetlands Inventory data for Hancock County, Iowa | |
| NWI_remap_line_41 | National Wetland Inventory Remap and Update, Line Features, of Hancock County, Iowa | |
| NWI_remap_poly_41 | National Wetland Inventory Remap and Update, Polygon Features, of Hancock County, Iowa | |
| PLSS_41 | Public Land Survey System for Hancock County, Iowa | |
| PLSS_QQQ_41 | Public Land Survey System, Quarter-Quarter-Quarter Sections, of Hancock County Iowa | |
| rivers_41 | Rivers of Hancock County | |
| roads_2006_41 | Road Centerlines of Hancock County, Iowa, 2006, from Iowa DOT GIMS files | |
| soils_41 | Iowa Cooperative Soil Survey (ICSS) Digital Soil Data for Hancock County | |
| spot_41 | Digital spot data for Hancock County, Iowa | |
| ssurgo_line_41 | Soil Survey Geographic (SSURGO) Database for Hancock County | |
| ssurgo_soil_41 | Soil Survey Geographic (SSURGO) Database for Hancock County | |
| ssurgo_spot_41 | Soil Survey Geographic (SSURGO) Database for Hancock County | |
| surficial_geology_41 | Surficial Geology of Hancock County Iowa | |
| USGS_quads_41 | USGS 7.5' Quad Mosaic for Hancock County |