ArcGIS Online Web Map containing ESRI Streets at small scales and FSTopo Basemap at scales larger than 1:144,448. This basemap web map is designed to be used in ArcGIS Online mapping applications with other map services or features services overlayed on the FSTopo basemap.

FSTopo is the Forest Service Primary Base Map Series (1:24,000 scale for the lower 48 and Puerto Rico, 1:63,360 for Alaska) quadrangle maps. FSTopo products cover the US Forest Service lands. Quadrangle maps not included in the FSTopo Series may be obtained from the Map Locator & Downloader on the USGS Store or the USGS TNM Download