File:Harshaw Quadrangle USGS Topographical Map.gif Wikipedia USGS Topo Map Kaaterskill Catskill Mountains US Topo: Maps for America USGS Quad Map Grids | Los Angeles County GIS Data Portal USGS Topo Map Stamford Catskill Mountains
1:24,000 scale USGS topographic quadrangle map | FEMA.gov Quadrangle (geography) Wikipedia Click here to download or view an Index Map for Grays Harbor 3. Legacy Data: USGS Topographic Maps | The Nature of Geographic