Maps

• USGS Topographic Maps: Search by Location [TopoBuilder]

  Search for standard topographic maps (1:24,000) by navigating using the map or by location keyword.

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  https://store.usgs.gov/map-locator is currently not available; all topo maps can be downloaded from topo builder.
• Geographic Names Information System (GNIS)

  Find feature information- elevation, latitude, longitude, USGS topographic map quadrangle name, and background information (history) - for both current and historical geographic features.
  Features include physical (forests, woods, rivers, etc.) and cultural (buildings, cemeteries, etc.) geographic features in the United States.
• GeoNames

  International in scope; it's searchable by place or feature name. Includes latitude, longitude, elevation, and specific location (city, province, country, etc.)