US Topo - 25 of 32
US Topo FAQs - 32 Found
What data are used to make US Topo maps?
US Topo maps are primarily a repacking of GIS data from The National Map. The geospatial data now available from The National Map includes orthoimagery (scale-corrected aerial photographs), elevation, geographic names, hydrography, boundaries, transportation, structures, and land cover. These data are acquired through partnerships with States, local, Tribal, and Federal agencies. It is anticipated that more local and State data will be used as they are made available and integrated into The National Map data holdings.
Most US Topo roads are derived from commercially licensed data. Orthoimages in Hawaii and Alaska are commercially licensed data. Copyright notices must be retained when reusing these data; see this FAQ for more information.
For details on data sources, see the metadata file attached to each US Topo file.