US Topo
Topo is a digital topographic map based on the 1:24,000-scale quadrangle design containing orthoimagery, shaded relief, and data from the geographic themes of transportation, hydrography, elevation, boundaries, geographic names, structures and land cover.
US Topo Standard
For comments or questions about the US Topo Standard, please email: tnm_help@usgs.gov.
US Topo Cartographic Specifications
For access to the US Topo cartographic specifications follow link: