Topographic Map Symbols Gif images of a two-page USGS pamphlet. Topographic Map Symbols Gif image of a 1-page USGS pamphlet. The GNIS is a database of over 2 million physical and cultural geographic features in the United States. Search for a place or feature name and display the full record to get a list of USGS 7.5' quads on which the feature is shown. Online Map Lists Select and view USGS map lists by state, map name, or by latitude and longitude.
Lists give the most recent editions of maps currently available for a variety of scales.
Map Finder Records for over 300,000 maps catalogued by the American Geographical Society. Use it to identify on which USGS topo, AMS topo, and nautical chart a place has appeared. Records can be retrieved by searching the USGS populated places file containing about 170,000 United States cities and towns. Use the Geographic Coordinate search to locate maps for other places. The Madden Library is a selective federal and California depository.