Topographic

Yes. On average, the Forest Service updates its maps every 2 to 7 years. For some maps where little change occurs, revision may not be scheduled for many years. 
USGS does not currently offer vector downloads in bulk other than by special request only.
Current US Topo maps, and maps of the Historical Topographic Map Collection (HTMC). are published as PDF documents that can be downloaded free of ch
For more information, please go to the Download and Cart Web page.
For the legacy viewer, select the Printer 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 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 Quick Start Guide for The National Map viewer can be found here
USGS Digital elevation models (DEMs) are arrays of regularly spaced elevation values referenced horizontally either to a Universal Transverse Mercator (UTM) projection or to a geographic coordinate system.
Open Issues or Key Notes with The National Map viewer(last updated on 10/28/2016)Viewer