Sources of free orthoimagery

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Below is a list of sites offering free orthoimagery of various locations. Note that most of the following do not offer the imagery up via WMS and is thus not easy (as yet) to incorporate into World Wind.

Contents

Austria

Burgenland

Kärnten

Niederösterreich

Oberösterreich

Salzburg

Steiermark

Tirol

Vorarlberg

Belgium (Flanders)

  • http:/www.gis-vlaanderen.be/gis/

Germany

Maerkische Kreis

Bayern

Norway

United States

US Dept of Agriculture: Geospatial Data Gateway: Tons of GIS Data free for FTP download. Orthophotography for most of Country in 2005 (2-meter resolution MrSID).

ARKANSAS

City of Fayetteville, Arkansas - G.I.S.: City coverage, BW, early 2000, ~1 foot resolution, GeoTIFF

GeoStor - On-Line Mapping: NW Arkansas Orthophotography, Color 2004, GeoTIFF or MrSID, Pulaski County DigitalGlobe Orthophotography, 2004, GeoTIFF

Spatial Analysis Laboratory - Natural State Digital Database: Caroll County Aerial Photography - BW, 1 foot resolution, MrSID

CALIFORNIA

Napa County GIS: Free registration required to download 04/2002 1-foot, color orthophotos of Napa County, MrSid

Calaveras County: 2002 2-foot, MrSID, color; The lower areas of the county were flown in April 2002, the upper areas in July 2002.

Sonoma County: Free registration required to download April/May 2000 1 & 2-foot resolution, BW, MrSID for the entire county

ftp://ftp.ci.corvallis.or.us/pw/gis/orthophotos/ Davis, CA (2001, 2003,

http://casil.ucdavis.edu/casil/kerncog.org/ Perhaps they, too, can be of use some day!

California Spatial Information Library: Statewide B&W DOQQs

California Spatial Information Library: Sacramento/Stocton Delta High Resolution TIFFs

California Spatial Information Library: Modesto High Resolution TIFFs

California Spatial Information Library: Riverside/San Bernardino High Resolution TIFFs

California Spatial Information Library: Sacramento High Resolution TIFFs

California Spatial Information Library: San Francisco/Oakland High Resolution TIFFs

California Spatial Information Library: Stockton High Resolution TIFFs

California Department of Water Resources: Color Orthophotos (various years 1996 to 2001) for: Kings Count, San Joaquin County, Monterey County, San Benito County, Yolo County, Butte County, Colusa County, Glenn County, Kern County, Sacramento County, Sutter County, Napa County, Fresno County and Madera County (Free registration required)

COLORADO

City of Fort Collins: 1999 & 2002, 1/2 foot, color, MrSID

CONNECTICUT

MAGIC Geo-Spatial Data Resources: 1998 BW Hartford Metropolitan area, MrSID

MAGIC Geo-Spatial Data Resources: 1995 BW Digital Ortho Quads (CT State Plane), MrSID

I imagine this is really cool, but it didn't work for me: 1934 Fairchild Aerial Survey: The entire state, scanned and georeferenced!

DELAWARE

Delaware Geological Survey: "Georeferenced Delaware Hundreds Map Images From the Pomeroy and Beers Atlas 1868", GeoTIFF

http://www.udel.edu/dgs/dgsdata/GeoGIS.html: Geologic maps, limited state coverage, GeoTIFF

University of Delaware Spatial Analysis: 1997 DOQs (State of Delaware), 5-meter, JPEG (with ArcView World File)

http://datamil.delaware.gov/: April 2002 0.25 meter color infrared (Public Access limited to 1 Meter, must submit application for 0.25 meter imagery, also, you may not re-distribute the 0.25 meter imagery; so its useless for WW).

FLORIDA

Department of Environmental Protection: DOQQs from 1995, 1999 and 2004

Manatee County GIS: 2003 1-foot color, MrSID

Lake County: 1941, 1998, 2002, 2004

Sarasota County: 2002 1-foot panchromatic TIF, 2004 1-foot color TIF

HAWAII

ftp://gisftp.hicentral.com/AirPhotoImages/: Honolulu and some Oahu coastline (MrSID/JPEG)

IDAHO

Idaho Geospatial Data: 1-2 meter, natural color, MrSID National Agriculture Imagery Program

ILLINOIS

Illinois Natural Resources Geospatial Data Clearinghouse: 2000 Des Plaines River Watershed, MrSID, BW

INDIANA

ftp://itoc.in-span.net/, ftp://itoc-2.in-span.net/: 2003 NAIP, 1 meter, natural color, GeoTIFF quads or MrSID county mosaics (also see Indiana Spatial Data Portal - Aerial Photos (2003 NAIP)

IOWA

Iowa Geographic Map Server: 2004 color, 2-meter USDA National Agriculture Imagery Program (NAIP)

KANSAS

FSA National Agriculture Imagery Program (NAIP): 2003/2004, 2-meter, natural color, MrSID. Look under "Browse and Download Data".

Sedgwick County, Kansas Geographic Information Services: 1997 BW GeoTIFF, 2000/2003 MrSID, color

MAINE

Maine GIS Data Catalog: Spring 2003 1- and 2-foot color, MrSID for southwest Maine; May 2003 1/2 foot color, MrSID for Fort Fairfield; April 2001 1/2 foot color, MrSID for Cumberland County and part of Androscoggin County

MASSACHUSETTS

Massachusetts - Available GIS Datalayers: Early 2000s 0.5-meter, MrSID, color for the entire state.

MINNESOTA

The DNR Data Deli: 2002, 2003-04 Farm Services Administration color ECW

Land Management Information Center: Air Photos, USDA: 2002, 2003 NAIP 1-meter, natural color, MrSID

MISSISSIPPI

MARIS: 2004 NAIP Data: 2004 natural color 1-m, MrSID, entire state

MISSOURI

Missouri National Agricultural Imagery Program (NAIP) Data: 2003, infrared, MrSID

MONTANA

Montana State Library Natural Resource Information System: 1-foot color, MrSID of various cities in Montana See this message board posting for instructions on how to add this to World Wind.

City of Missoula: 1/2-foot color, MrSID

NEBRASKA

Nebraska FSA Rectified Digital Imagery: July-August 2003 US Farm Agency color, 1-meter, JPEG

http://www.dnr.state.ne.us/databank/fsa.html: July-August 2001 US Farm Agency color, 2-meter, JPEG

Lancaster County High Resolution Digital Ortho Imagery: 2002 Lincoln/Lancaster County color, 0.3-meter, JPEG

NEW HAMPSHIRE

NH GRANIT: 2003 NAIP 1-meter, natural color, MrSID

NEW JERSEY

New Jersey Image Warehouse: 2002 1-foot infrared, MrSID for entire state

NEW MEXICO

Bernalillo County: 1996, 1999, 2001, 2002, 2004 MrSid, color (haven't investigated all the folders)

New Mexico Resource Geographic Information System Program: older B&W digital orthoquads plus newer (2004) 1-foot natural color, MrSID

NEW YORK

Complete State

  • NAPP - DOQQ 1-meter infrared (MrSID)
  • 2000 to present (updated every 3 years) - varying color types and resolutions (MrSID)

NORTH CAROLINA

Wake County: 1999 color & BW MrSID

NORTH DAKOTA

North Dakota Geographic Information Systems: City of Bismarck April 25, 2001, 1/2 foot BW MrSID; City of Mandan April 2001 1/2 foot BW MrSID; NAIP 2003 1-meter, color MrSID

OKLAHOMA

2003 NAIP Air Photo Images: Statewide color, MrSID

OREGON

City of Corvallis: 1999 GeoTIFF, color

PENNSYLVANIA

South-Central: South-central Pennsylvania 2003, MrSID, color, 2-foot PASDA Data Listing: Statewide 2004 1-meter CIR MrSID NAIP

RHODE ISLAND

Summer 2003, 1-meter, color GeoTIFF and MrSID

SOUTH DAKOTA

South Dakota Digital Data Base: Free registration required for 2003/2004 1-meter, natural color

TEXAS

Capital Area Council of Governments: 2002 2-foot, MrSID, color (10 county area centered around Austin)

UTAH

Utah Automated Geographic Reference Center: 2003 2-meter color MrSID, 2004 1-meter color MrSID

VIRGINIA

GIS at VCU: USDA NAIP Aerial Imagery Download Page: 2003 NAIP for select Virginia counties, 1-meter color MrSID

WASHINGTON

Spokane: 2003 NAIP, GeoTIFF, 2-meter, color

WEST VIRGINIA

West Virginia State GIS Technical Center: Spring 2003 statewide 2-foot, color, MrSID

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