The National Map Corps Home Determining Quad Name

Viewing the Map Index to Determine the Quad Name

To determine the name of the quadrangle covering your desired area of interest

1. Go to The National Map Viewer
2. Expand the Elevation theme (located to the right of the Map Display under the Layers heading) by clicking on the small triangle (all triangles toggle on and off).
3. Deselect SHADED RELIEF
4. Click Refresh Required using the button below the Layers listing. Click the small triangle beside the Elevation theme to close the listing.
5. Expand the Topographic Maps
6. Select INDEX/STATUS (TOPOGRAPHIC MAPS)
7. Zoom in to your area of interest. (Please note, the Roads class displays by default and may clutter the view. The roads may be turned off by expanding the TRANSPORTATION theme and deselecting Roads. Additionally, DRGs and other classes will turn on at various zoom levels (scales). You may turn them off as well.)
8. Expand the Topographic Maps theme
9. Select USGS QUADRANGLES
10. Click Refresh Required
11. Continue to zoom in until you are able to identify the area of interest
    
    

The boundary of the topographic quadrangle will appear as a faint yellow line with the name of the quadrangle appearing in outlined yellow type near the middle of the quadrangle. This is the name that you should put on your priority list. Please remember to also include the state.