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Click once on the map to enter a point double-click to end a line for distance, or to close a polygon for area. GeoMeasure: Lets you measure distance and area on the map. Click on the arrow, and you can change the map projection (Geographic, UTM, SPCS, USNG, etc.), the datum (WGS84, NAD27, etc.), and the units (meters, feet, survey feet). GeoLocator: Displays the coordinates of the cursor, and freezes them when you click on the map when you click on “GO”, it will zoom in on that arrow. View In: ArcGIS JavaScript ArcGIS Online Map Viewer ArcGIS Earth ArcMap ArcGIS Pro View Footprint In: ArcGIS Online Map Viewer Service Description: The USGS Elevation Contours service from The National Map displays contours generated for the United States at various scales. GeoTool: Let’s you mark a position on the map with a click, and freezes that position in the coordinate display. You’ll also see the GeoPDF toolbar at the upper left: If you open the GeoPDF file in Acrobat Reader after installing the GeoPDF plug-in, the geographic coordinates of your cursor position can be seen in the lower right. Once there, use the standard Google Maps controls to zoom in to the area you’re interested in:Ĭlick on the “Mark Points on Map” radio button on the right, and then click on a location on the map that you’d like to see the available maps for:Ĭlick on the marker, and an information bubble will appear with a list of available maps for the marker area, and links to order the maps from the USGS or download them directly:Ĭlick on a download link, and a zipped copy of the map in GeoPDF file will be immediately downloaded to your computer, about 5 MB in size. The USGS Store – Map Locator & Downloader is available at a link from this page it also may be directly available at this link, but the latter looks suspiciously like a temporary link. Plus then, Acrobat Reader won’t bug you about downloading the plug-in every time you open a GeoPDF file.
#USGS QUAD MAP VIEWER PDF#
While you’ll be able to open the maps as regular PDF files without the plug-in, it adds some very useful geographic capabilities to Acrobat Reader.
#USGS QUAD MAP VIEWER INSTALL#
It has an easy-to-use interface based on Google Maps that makes finding your location, and downloading the desired maps in compressed zip format, straightforward.įirst, if you don’t already have it, you should download and install the GeoPDF plug-in for Acrobat Reader. There’s a new service from the USGS that lets you download 1:24K, 1:100K and 1:250K topo maps for anywhere in the US in GeoPDF format.