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18 cze 2020 · Explore all 7.5 and 15-minute topographic (topo) maps within the USGS Store. Download or purchase options available.
Some of the most well-known USGS maps are the 1:24,000-scale topographic maps, also called 7.5-minute quadrangles . In 2009, the USGS transitioned from our hand scribed historical topographic maps to US Topos , which are computer-generated on a regular schedule using national databases...
The US Topo series is a latest generation of topographic maps modeled on the USGS historical 7.5-minute series (created from 1947-1992). Like the historical topographic mapping collection, we've added a variety of file formats previously unavailable for the US Topo series, including GeoTIFF and KMZ.
Some of the most well-known USGS maps are the 1:24,000-scale topographic maps, also called 7.5-minute quadrangles. In 2009, the USGS transitioned from our hand scribed historical topographic maps to US Topos , which are computer-generated on a regular schedule using national databases.
Custom Extent 7.5-Minute Topo map created using the topoBuilder application in January 2023. 7.5-Minute Topos closely resemble historical 7.5-minute USGS map products as well as US Topo maps.
Map Scale – The ratio of a distance on the ground to that distance represented on the printed map. The 1:24,000, (7.5 x 7.5-min) maps are the best known USGS topographic maps. There are about 55,000 map cells of this series in the 48 conterminous states, and about 127,000 individual maps.
7.5 & 15 Minute Topographic Maps; 30 x 60 Minute Topographic Maps; 1 x 2 Degree Topographic Maps; U.S. Forest Service Maps; National Parks; Geologic Maps; Planets and Moons; Other Maps; ... DOI and USGS link policies apply; No FEAR Act; USA.gov; Vulnerability Disclosure Policy; U.S. Geological Survey U.S. Department of the Interior. Facebook ...
