Download our historical topographic maps and our more current US Topo maps (published 2009-present) free of charge using TopoView (GeoPDF, GeoTIFF, JPEG, and KMZ formats) or using the USGS Store’s Map Locator (GeoPDF format).

Zoom to your location of interest and search for geodetic control: Use NGS Map or DS World. Download data for an entire state at once (generated once a month). Read more about archived datasheets and archived shapefiles. Archived control by state is recommended for large downloads (>20).

U.S. Department of the InteriorU.S. Geological Survey Map Viewer

The NGS database stores each benchmark location with its own unique personal identifier (PID), six-character alphanumeric code, latitude, and longitude. Many have scaled positions from maps.

Nov 3, 2022 · Use The National Map Viewer to explore base-layer GIS data, see availability of USGS topographic maps, and create your own web map.

Oct 6, 2022 · The National Geodetic Survey Map is an ArcGIS Online Web Map Application that enables users to view multiple datasets provided by the National Geodetic Survey. This Web Map Application presents three NGS datasets to explore with a map.

Nov 11, 2024 · At the tops of many mountains and along numerous roads across the USA are small brass disks called benchmarks. These survey points are critical for mapping the landscape, determining boundaries, and documenting changes, and there are hundreds of them in Yellowstone National Park!

Search the entire US with the Leaflet ALL version of the benchmark viewer. Select A State. A web page for viewing information about NGS Benchmark and their locations in a Google Maps …

Explore NOAA's ArcGIS Web Application for interactive maps and spatial data visualization.

NGS Survey Markers & USGS Topo Maps The KMZ file here will add two options (each individually selectable) for data display: USGS Topographic map overlay image, and NGS survey markers with info balloons.