Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Search Constraints

You searched for: Dc format s Raster Dataset Remove constraint Dc format s: Raster Dataset Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps
Number of results to display per page
View results as:

Search Results

1.
Aerial Photo Counties: Iowa, 2016

Aerial Photo Counties: Iowa, 2016

2016. These county-wide datasets have been up-sampled to a one-meter-resolution raster, in jp2 format.

2.
Aerial Photography Counties: Iowa, 1930s

Aerial Photography Counties: Iowa, 1930s

1930. Iowa Department of Natural Resources. 1930s Aerial Photography of Iowa County dataset in a zipped file.

3.
Aerial Photography Counties: Iowa, 1950s

Aerial Photography Counties: Iowa, 1950s

1950. Iowa Department of Natural Resources. 1950s Aerial Photography of Iowa County dataset in a zipped file.

4.
Aerial Photography Counties: Iowa, 1960s

Aerial Photography Counties: Iowa, 1960s

1960. Iowa Department of Natural Resources. 1960s Aerial Photography of Iowa County Dataset in a zipped file.

5.
Aerial Photography Counties: Iowa, 1970s

Aerial Photography Counties: Iowa, 1970s

1970. Iowa Department of Natural Resources. 1970s Aerial Photography of Iowa Each zip file contains a county raster dataset.

6.
Aerial Photography: Dakota County, Minnesota, Spring 2017

Aerial Photography: Dakota County, Minnesota, Spring 2017

2017. County wide ortho photography at 6-inch pixel resolution in County Coordinates. The photography was exposed on 4/1/17, 4/4/2017, 4/6/2017, 4/7/2017...

7.
CIR Aerial Photography Counties: Iowa, 1980s

CIR Aerial Photography Counties: Iowa, 1980s

1980. Iowa Department of Natural Resources. 1980s Color-Infra-Red Aerial Photography of Iowa Each zip file contains a County-wide dataset.

8.
Raster

Composite Image Service WMS: Minnesota

2016. Minnesota Geospatial Information Office (MnGeo). The goal of the Composite Image Service is to provide a single layer image service that automatically switches to an appropriate set of air photos ...

9.
County-wide Mosaics of 7.5 Minute USGS Topographic Maps: Iowa

County-wide Mosaics of 7.5 Minute USGS Topographic Maps: Iowa

2018. Iowa Department of Natural Resources. Topographic Maps Each zip file contains a MrSid compressed image of the topographic quads of a certain Iowa county.

10.
Digital Orthophoto Quadrangle (DOQ) Data: Illinois, 1998 - 2001

Digital Orthophoto Quadrangle (DOQ) Data: Illinois, 1998 - 2001

1998-2001. United States Geological Survey (USGS) and Illinois State Geological Survey. This is a collection of tile-by-tile NAPP-III DOQs (1998-2001) images in MrSID format for the state of Illinois, in UTM Zones 15 and 16, NAD83. Ort...

11.
Four-Band Aerial Photography of Iowa: Iowa, 2007

Four-Band Aerial Photography of Iowa: Iowa, 2007

2007. Iowa Department of Natural Resources. 2007, 2009, and 2010 Four-Band Aerial Photography of Iowa Downloads include seperate CIR and color rasters of Iowa Counties flown in 2007.

12.
Raster

Four-Band Aerial Photography of Iowa: Iowa, 2009

2009. Downloads include CIR and color rasters of Iowa counties flown in 2009.

13.
Raster

Four-Band Aerial Photography of Iowa: Iowa, 2010

2010. Downloads include CIR and Color rasters of Iowa Counties flown in 2010.

14.
High Resolution Land Cover of Iowa in 2009 Counties: Iowa

High Resolution Land Cover of Iowa in 2009 Counties: Iowa

2009. County dataset in a zipped file.

15.
Raster

Land Cover Change in Iowa from 1984 - 2003

1984-2003. Change Detection GRID for the period 1985 to 2002 in the State of Iowa developed from Landsat Imagery. This zip file contains a raster dataset (ESR...

16.
Raster

Land Cover Change in Iowa from 1990 - 2003

1990-2003. Change Detection GRID for the period 1990 to 2002 in the State of Iowa developed from Landsat Imagery.

17.
Land Cover of the State of Iowa in the Years 1984-86

Land Cover of the State of Iowa in the Years 1984-86

1984-86. Iowa Department of Natural Resources. Land Cover of Iowa in From 1984 to 2003 This zip file contains a 15-meter ESRI GRID of the Land Cover of Iowa.

18.
Raster

Land Cover of the State of Iowa in the Years 1989-91

1989-91. Land cover / Land use classification of the Iowa landscape derived from satellite imagery collected between 1989 and 1991. This zip file is a 15 m...

19.
Raster

Land Cover Persistence from 1984-2003: Iowa

1984-2003. Persistence of Land Cover Classes for the State of Iowa in the Years 1984-2002 This zip file contains a 15-meter raster dataset (ESRI GRID).

20.
Raster

Mosaic of Des Plaines Watershed, IL/WI - TerraSource Orthorectified Imagery, 2000

2000. ImageAmerica and Illinois State Geological Survey. Note: The original metadata file was written by ImageAmerica. There are a few additions by ISGS required for archival and access in the Survey's en...