Topographic Maps | U.S. Geological Survey - USGS.gov
USGS topographic maps fall into three primary product categories: 1. The Historical Topographic Map Collection (HTMC) is the set of scanned images of USGS topographic quadrangle maps originally published as paper documents in the period 1884-2006.
Free USGS Topographic Map Quadrangles | U.S. Geological Survey
Download free USGS topographic map quadrangles in georeferenced PDF (GeoPDF) format by clicking on "Map Locator" on the USGS Store Web site. These files were created using high-resolution scans and average 10-17 megabytes in size.
Get Maps - USGS Topoview
Get your topographic maps here! The latest version of topoView includes both current and historical maps and is full of enhancements based on hundreds of your comments and suggestions.
U.S. Geological Survey Map Viewer
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The National Map Viewer | U.S. Geological Survey - USGS.gov
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.
topoView | USGS
The term “US Topo” refers specifically to quadrangle topographic maps published in 2009 and later. These maps are modeled on the familiar 7.5-minute quadrangle maps of the period 1947-1992, but are mass-produced from national GIS databases on a repeating cycle.
Topographic Map Access Points | U.S. Geological Survey - USGS.gov
There are several ways to access USGS topographic maps, each with their own unique advantages and interfaces. topoView has additional file formats (geospatial PDF, geoTIFF, JPEG, & KMZ) and is ideal for browsing and downloading …
US Topo: Maps for America | U.S. Geological Survey - USGS.gov
US Topo map data is derived from the geographic information system (GIS) data of The National Map and is continuously updated via National, state, local, and commercial partnerships. Current and historic USGS topographic maps are available for immediate download from The National Map Downloader.
Web Tools - National Geospatial Program | U.S. Geological Survey - USGS.gov
Dec 28, 2021 · Use The National Map Viewer to explore GIS data, see availability of USGS topographic maps, and create your own web map.
Why are USGS topographic maps called “quadrangles”?
In the making of topographic maps, the USGS subdivides the United States by using Latitude and Longitude lines to form the boundaries of four-sided figures called “quadrangles”. The maps are often referred to as quadrangle maps (or quad maps).