1930s_airphotos_22	1930's Digital Orthorectified Image of Clayton County, Iowa, in MrSid Format
	1950s_airphotos_22	1950's Digital Orthorectified Image of Clayton County, Iowa, in MrSid Format
	1960s_airphotos_22	1960's Digital Orthorectified Image of Clayton County, Iowa, in MrSid Format
	1970s_airphotos_22	1970's Digital Orthorectified Image of Clayton County Iowa
	1980s_CIR_airphotos_22	1980's Digital Orthorectified Image of Clayton County, Iowa, in MrSid Format
	1990s_airphotos_22	1990's Airphoto Mosaic for Clayton County
	2002_CIR_22	2002 Color-Infra-Red Airphoto Mosaic for Clayton County
	2004_NAIP_airphotos_22	2004 National Agriculture Imagery Program (NAIP) Aerial Photography for Clayton County, Iowa
	2005_NAIP_airphotos_22	2005 National Agriculture Imagery Program (NAIP) Aerial Photography for Clayton County, Iowa
	2006_NAIP_airphotos_22	2006 National Agriculture Imagery Program (NAIP) Aerial Photography of Clayton County, Iowa
	2007_NAIP_airphotos_22	2007 National Agriculture Imagery Program (NAIP) Aerial Photography of Clayton County, Iowa
	2008_NAIP_airphotos_22	2008 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Clayton County, Iowa
	2009_NAIP_airphotos_22	2009 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Clayton County, Iowa
	2010_CIR_airphotos_22	2010 Two Foot Pixel, Color Infrared Orthophotography Mosaic of Clayton County Iowa
	2010_color_airphotos_22	2010 Two Foot Pixel, Color Orthophotography Mosaic of Clayton County Iowa
	2010_NAIP_airphotos_22	2010 National Agriculture Imagery Program (NAIP) Aerial Photography Mosaic of Clayton County, Iowa
	2011_NAIP_airphotos_22	2011 National Agriculture Imagery Program (NAIP) Four-Band Aerial Photography of Clayton County Iowa
	andreas_atlas_22	Georectified Image of Clayton County from the Illustrated Historical Atlas of the State of Iowa, 1875, by A.T. Andreas
	census_1990_22	US Bureau of the Census, 1990 STF3a block level for Clayton County, Iowa
	census_2000_blocks_22	Clayton County Census 2000 Blocks
	common_land_unit_22	Common Land Unit for ClaytonCounty, Iowa
	contours_2ft_22	Generalized Two Foot Contours of Clayton County Iowa Derived from Lidar Data
	DEM_3M_I_22	Three Meter Digital Elevation Model of Clayton County Iowa as an Imagine 16-bit Integer Raster
	DOT_roadmap_22	Iowa DOT Clayton County Highway Transportation Map, 2005
	GLO_maps_22	General Land Office (GLO) Maps of the State of Iowa, as Surveyed from 1836-59, Clayton County
	GLO_vegetation_22	Government Land Office Vegetation 1832-1859 for Clayton County, Iowa
	Hillshade_1M_22	Hillshade of Clayton County Iowa Derived from the LiDAR One Meter Digital Elevation Model
	NWI_22_line	National Wetlands Inventory data for Clayton County, Iowa
	NWI_22_poly	National Wetlands Inventory data for Clayton County, Iowa
	NWI_remap_line_22	National Wetland Inventory Remap and Update, Line Features, of Cedar County, Iowa
	NWI_remap_poly_22	National Wetland Inventory Remap and Update, Polygon Features, of Clayton County, Iowa
	PLSS_22	Public Land Survey System for Clayton County, Iowa
	PLSS_QQQ_22	Public Land Survey System, Quarter-Quarter-Quarter Sections, of Clayton County Iowa
	rivers_22	Rivers of Clayton County
	roads_2006_22	Road Centerlines of Clayton County, Iowa, 2006, from Iowa DOT GIMS files
	soils_22	Iowa Cooperative Soil Survey (ICSS) Digital Soil Data for Clayton County
	soils_giard	Iowa Cooperative Soil Survey (ICSS) Digital Soil Data for Clayton County, Giard Purchase
	spot_22	Digital spot data for Clayton County, Iowa
	ssurgo_line_22	Soil Survey Geographic (SSURGO) Database for Clayton County, Iowa
	ssurgo_soil_22	Soil Survey Geographic (SSURGO) Database for Clayton County, Iowa
	ssurgo_spot_22	Soil Survey Geographic (SSURGO) Database for Clayton County, Iowa
	USGS_quads_22	USGS 7.5' Quad Mosaic for Clayton County