- 1:24,000 (7.5-Minute) Maps
- The Map Collection has the current quadrangles in the 1:24,000 topographic map sets for the 19 western states (from North Dakota south to Texas and west). We also have superseded quadrangles for California.
- Search the Geographic Names Information System (GNIS)
- The GNIS is a database of 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-minute quads on which the feature is shown.
- USGS Map Store
- Find the most recent editions of maps currently available from the USGS.
Select series (e.g., 1:24,000 - 7.5 Minute) or coverage area to browse lists of maps;
or use the Map Locator to zoom in on your site;
or use the Search options, including keyword and geographic point (latitude/longitude) searching.
- Index Maps
- Index maps show the arrangement, names, and area of coverage of individual maps (quadrangles) within a set (e.g., 1:24,000, 1:250,000 and 100,000 metric).
- Ask at the Maps & Government Information service desk for the index maps.
- California's Geographic Names: a Gazetteer of Historic and Modern Names of the State.
- Maps Reference F 859 .D87 1998
- Gives the 7.5- or 15-minute quad name for many locations.
- Map Index to Topographic Quadrangles of the United States, 1882-1940.
- Maps Reference f GA 405 .M64 1985
- State Lists
- Many of these lists refer to specific collections and are not necessarily comprehensive.
- Historical USGS Topographical Maps of California owned by the Los Angeles Public Library
- Scales include 1:24,000, 1:62,500, 1:31,680, 1:125,000 and 1:250,000.
- Historical Topographic Maps
- Lists USGS topographic maps held by the California State University, Northridge, Geography Maps Library. For California, there are lists of maps in the 1:24,000, 1:31,800, 1:62,500, 1:125,000, and 1:250,000 scale series. For 31 other states, there are lists of maps from the 1:125,000 series. For four of those states there are lists of maps in the 1:250,000 series as well.
- Colorado Topographic Maps
- Lists of quadrangle names of Colorado topographic maps (by the USGS except as noted) for the following scales: 1:24,000, 1:25,000 (DMA), 1:31,680, 1:48,000, 1:50,000 (DMA), 1:62,500, 1:125,000, 1:250,000. Arthur Lakes Library, Map Room, Colorado School of Mines.
- Topographic Maps of Indiana at IUB Indiana University Bloomington Libraries
- USGS 15- and 7.5-minute, and AMS 1:25,000 (AMS V851).
- Index of Topographic and Geologic Maps in Nevada
- Lists compiled by the Nevada Bureau of Mines and Geology of:
State and Regional Maps (mainly 1:1,000,000); County Maps;
1- by 2-degree quadrangles (mainly 1:250,000); 30-minute and 1-degree quadrangles (mainly 1:125,000); 30x60-minute quadrangles (mainly 1:100,000); 15-minute quadrangles (mainly 1:48,000 or 1:62,500); 7.5-minute quadrangles (mainly 1:24,000).
- Nevada USGS Topographic Maps
- Nevada topographic maps in the 7.5-minute, 15-minute, and other series, in the Nevada State Library and Archives' Federal Publications collection. These maps are primarily recent maps produced since the 1950s.
- Oregon Historical and Current Topographic Maps
- 7.5' maps 1949 to present.
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