![]() US Topo is the current series of USGS topographic maps (2009 - present) and combines the look and feel of historical topographic maps with modern technological advances. The HTMC contains thousands of scans of topographic maps originally published as paper documents between 18. ![]() The Historical Topographic Map Collection (HTMC) is a digital repository of all scales and editions of USGS topographic maps. Historical topographic maps and US Topos may be searched, viewed, and downloaded free of charge from topoView or The National Map Downloader. Some of the most well-known USGS maps are the 1:24,000-scale topographic maps, also called 7.5-minute quadrangles.įree and Immediate Downloads of Historical Topographic Maps and US Topo ![]() Geological Survey (USGS) has been the primary Federal civilian mapping agency since it was founded in 1879.
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