TerraServerUSA
A free, searchable database of USGS aerial photos (digital orthophotquads)
and digital topographic maps (Digital Raster Graphics).
EarthExplorer
Search for satellite images, aerial photographs, and cartographic products
produced by USGS.
Earth Resources Observation Systems
(EROS) Data Center
The USGS's EROS Data Center archives more than 8 million aerial photographs
and handles data from several series of satellites. Use this site for
a great overview of USGS data & links to data download and ordering
sites.
NRCS (Natural Resources Conservation
Service)
Many NRCS state offices have historical aerial photograph collections.
Click on "States
and Regions" in the lower left.
USDA Aerial Photography Field
Office
The primary source of aerial imagery for the United States Department
of Agriculture. Over 10,000,000 images from 1955 to the present.
USDA
National Agriculture Imagery Program (NAIP)
Ordering information. Some states are serving out coverage of their
photography for free. We'll add to the list as we find them. Colorado compressed
county mosaics: generously served out by the USGS.
- The compression ratio is 15:1.
- The imagery is natural color, one meter GSD to NAIP specs.
- The files are less than 4GB
- The zip files are named by county
- These can take a while to download. Also available for use or download
on the Map Library GIS computer.
California: California Coastal Records
Project
Over 34,557 photographs of the current California coast from the Oregon
Border to the Mexican Border, except for the Vandenberg AFB restricted
area. An additional 5833 images from 1972, 8000 images from 1979, 4173
images from 1987, and 1074 images from 1989 are now online. Links
to guides & collections of California aerial photography
from the Humbolt State University Library Atlas and Map Collection List of
institutions with aerial photographs of California, by county University of
California, Berkeley Earth Sciences and Map Library Aerial Photography
Collection
Online catalog of aerial photo collection covering various areas in
California. Some digital photos available.
New Mexico:
University of New Mexico Libraries Map
and Geographic Information Center
Historical aerial photographs of Albuquerque and other areas of New
Mexico. Earth Data Analysis
Center at the University of New Mexico
Historical aerial photography of New Mexico from 1935 on.
Pennsylvania: PennPilot
Historical aerial photography of Pennsylvania from 1937-1942.
Wisconsin: WisconsinView
1-foot resolution aerial orthophotography of Madison (2007) , Kenosha
(2005), and Racine (2005), Wisconsin available for download.
International
Canada:
University
of Calgary Library: Airphoto Collection
This collection is limited to Canadian airphotos and focuses on Southern
Alberta particularly strong coverage of the Calgary area and the Kananaskis
area. The site explains how to find photos in their collection--if you
venture outside the US. GeoGratis
Satellite imagery of Canada, available for download at no charge. Australia:
National Archives of Australia
These National Archives contain more than documents - they are have
photographs, posters, maps, and architectural drawings for Australia.
Also, check out the genealogist services.
Aerial Photography and Satellite
Imagery Vendors
This short list provides a selection of links to some of the larger aerial
photography or satellite imagery vendors or providers. Linking to these
vendors implies no endorsement of these companies.
Colorado Aerial Photo
Service
Historic and current black-and-white aerial photo maps of Denver and
many other Colorado towns and cities from 1948 to the present.
GeoCover
Landsat imagery and land cover data from EarthSat.
GeoEye
"GeoEye imagery products serve the growing national and international
demand for highly-detailed imagery in applications such as mapping,
national security, environmental monitoring, urban planning, resource
management, homeland defense, commercial fishing and emergency preparedness."
(OrbImage and Space Imaging are now GeoEye.)
Spaceshots (Satellite Photos)
Spaceshots sells poster-sized, high-quality satellite images and panoramic
aerial views of cities. Most of the images come from Landsat 4 and 5
satellites represented by EOSAT (Earth Observation Satellite Company),
while other images come from foreign satellites like the French SPOT
satellite.
Geomophology from Space "The core of this book is a gallery of space imagery consisting of 237 plates, each treating a geographic region where a particular landform theme is exemplified. Commentary, photographs, locator maps, and sometimes a geologic map accompany each plate."
Canada Centre for Remote Sensing tutorials
Good tutorials, including the Fundamentals of Remote Sensing, Radar Remote Sensing, an Image Interpretation Quiz, and more.
