NGP Standards and Specifications

US Topo


US Topo is a digital topographic map based on the 1:24,000-scale quadrangle desgin containing orthoimagery, shaded relief, and data from the geographic themes of transportation, hydrography, elevation, boundariers, geographic names, structures and land cover.


The US Topo Standard defines a U.S. Geological Survey (USGS) digital topographic map.


For comments or questions about the US Topo Standard, please email: