Unless you want topo maps in Alaska, they are based on 1:100,000 and 1:24,000 scales. Of course, the advantage of the TNM viewer is that you can preview the USGS Topo Map before you download it. One of the most popular outdoor activities in Colorado is.
From here, it’s a matter of adding your items to your cart and downloading it as a PDF.įor the US Topo maps that you want to download, simply click the “Download” button under the “Cart” tab. Colorado is home to 58 peaks above 14,000 feet of elevation, referred to as the fourteeners or 14ers. Also, you can filter by date period in the advanced option.įinally, you can click “Find Products” if you want the current “Topo Maps” or the “Historical Topographic Maps” version. However, you can enter latitude and longitude coordinates or draw a polygon extent to change it. Otherwise, you can download the raw vector and raster GIS datasets in the bottom option.īy default, your current extent is the search area. How to Download Free USGS Topo Maps with the National Map ViewerĬurrently, the most recent version is published as “US Topo” and stored in digital format on the TNM Viewer.ĭepending on your needs, you can choose “US Topo” or “Historical Topographic Maps” in the TNM Viewer.