Microsoft Research Maps
FREE ONLINE REPOSITORY OF PUBLIC DOMAIN AERIAL IMAGERY AND TOPOGRAPHIC MAPS PROVIDED BY THE U.S. GEOLOGICAL SURVEY
Microsoft TerraServer; Microsoft Terraserver; Terraserver-USA; TerraServer-USA; MSR Maps; MSRMaps
Microsoft Research Maps (MSR Maps) was a free online repository of public domain aerial imagery and topographic maps provided by the United States Geological Survey (USGS). The site was a collaboration between Microsoft Research (MSR), Bing Maps, and the USGS.