USGS does not currently offer vector downloads in bulk other than by special request only.
Instructions for downloading from The National Map viewer are located in a Download and Cart user guide. Orthoimagery is downloaded with the following steps:
US Topo maps and the maps of the Historical Topographic Map Collection (HTMC) can be downloaded free of charge, in PDF fo
Select the Print icon in the upper right-hand corner. You can save and print a map either in PDF, JPEG, or PNG formats. PDF allows the user to include map elements in the header, such as a title and notes.
The Add Data tool in the Advanced toolbar allows you to add an ArcGIS Server (AGS) REST service, Keyhole Markup Language (KML) data file, Really Simple Syndication (RSS), Web Map Service (WMS), or Web Map Tile Service (WMTS) to the map display. Before
PLSS data is available in the Content sub-tab under Overlays in a panel called Other Featured Data in the table of contents of The National Map viewer.
The National Map Viewer Quick Start Guide can be found here.
Open Issues or Key Notes with TNM Viewer(last updated: 1/19/2016)Viewer
Click here for the latest improvements to TNM Viewer.
What are the projection, horizontal and vertical datum, format, and distributed tile extent of contours?
Contours are not projected, but are provided in geographic coordinates (latitude and longitude) in units of decimal degrees, and horizontally referenced to the North American Datum of 1983. Contour elevation values are vertically referenced to the Nort
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