Need a USGS Quad Index?
USGS Quad Grid - Now you can download 24K, 100K, and 250K quad grid supplied in SHP format
USGS GNIS - Need more help locating a map or quad sheet? The Geographic Names Information System (GNIS), developed by the USGS in cooperation with the U.S. Board on Geographic Names (BGN), contains information about almost 2 million physical and cultural geographic features in the United States. The Federally recognized name of each feature described in the data base is identified, and references are made to a feature's location by State, county, and geographic coordinates. The GNIS is our Nation's official repository of domestic geographic names information.
Purchase State Data Bundles
For those of you wishing to purchase State Bundles rather than downloading individual files for free, we've listed all the bundles in our marketplace. Please Click on desired State to access more info.
[District of Columbia]