Sources of free orthoimagery

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 +engmike note: Most of the links didnt copy over right, see [http://worldwind.arc.nasa.gov/forums/index.php?showtopic=2052&hl=] for the list with all the sources linked.
 +
Progressland went through most of the sites listed at the University of Arkansas Libraries page and came up with a list of pages with freely downloadable orthoimagery with varying resolution from various years. Progressland went through most of the sites listed at the University of Arkansas Libraries page and came up with a list of pages with freely downloadable orthoimagery with varying resolution from various years.

Revision as of 00:25, 30 March 2005

engmike note: Most of the links didnt copy over right, see [1] for the list with all the sources linked.

Progressland went through most of the sites listed at the University of Arkansas Libraries page and came up with a list of pages with freely downloadable orthoimagery with varying resolution from various years.

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

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/wmsconnector/c...getcapabilities April 2002 0.25 meter color infrared

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

HAWAII


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

ILLINOIS


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

IOWA


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

KANSAS


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

MINNESOTA


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

MONTANA


Montana State Library Natural Resource Information System 1-foot color, MrSID of various cities in Montana

City of Missoula 1/2-foot color, MrSID

NEBRASKA


Nebraska FSA Rectified Digital Imagery http://www.dnr.state.ne.us/databank/fsa03.html 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 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)

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

UTAH


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

WEST VIRGINIA


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

Hopefully someone can use this information for something. smile.gif

-Jason

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