US Topo is the current USGS topographic map series for the Nation. These are modeled on the legacy 7.5-minute maps, but are mass-produced from GIS databases of The National Map and published as …

Topography is the study of forms and features of land surfaces. The topography of an area may refer to landforms and features themselves, or a description or depiction in maps.

Topography is the study of the land surface. In particular, it lays the underlying foundation of a landscape. For example, topography refers to mountains, valleys, rivers, or craters on the surface. …

The meaning of TOPOGRAPHIC is of, relating to, or concerned with topography. How to use topographic in a sentence.

Explore the National Map's 3D Viewer for interactive mapping, elevation profiles, and range ring centroids.

May 27, 2025 · Topographic maps show elevation and terrain in detail. Learn how to read them, explore their history, and discover how they're used today.

Topographic map, cartographic representation of the Earth’s surface at a level of detail or scale intermediate between that of a plan (small area) and a chorographic (large regional) map.

Topographic maps supply a general image of the earth's surface: roads, rivers, buildings, often the nature of the vegetation, the relief and the names of the various mapped objects."

Current and historic USGS topographic maps are available for immediate download from The National Map Downloader. Please note that not all features on historical maps appear on US Topos.

Topographic maps use contour lines to show elevation changes; closer lines indicate steeper slopes while wider spaced lines represent gentle slopes. These maps often include additional features like …