Alaska Geospatial Data Clearinghouse - The Alaska Geographic Data Committee (AGDC) supports the initiatives and goals of the Federal Geographic Data Committee (FGDC) in Alaska through the coordination of geospatial data activities among the Federal, state, Native, local, commercial, and non-governmental (NGO) member agencies.
National Map Seamless Server - This location allows you to explore and retrieve available through the U.S. Geological Survey's , EROS Data Center (EDC). It provides access to geospatial data through The National Map via free downloads of national base layers, as well as other geospatial data layers.
USGS Geographic Data Download - This site offers access to data files for use in geographical information systems(GIS). They are not directly viewable using WWW browser or image viewing tools. The USGS offers free software for viewing some digital cartographic products. They are tools for data preview, and are not substitutes for commercial geographic information system software.
Alaska High-Altitude Photography (AHAP) - This link brings you to the USGS EarthExplorer site, were you can query and order satellite images, aerial photographs, and cartographic products. The AHAP collection can be accessed through the "Aerial Photos - Non-USGS" link.