Usgs Topo Map
. Select Datasets Users can select one or more datasets. When the checkbox next to the dataset name is checked, more options appropriate for each dataset are displayed under 'Product Search Filter'. These options include sub-categories, file formats and data extent. Select desired options.
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Usgs Topo Maps Free
Product Availability and Preview layers are provided for some datasets. ( Show Example). Area of Interest Current Extent, which can be adjusted by zooming/panning, is used by default. Users may establish an Area of Interest by:.
Drawing a Box or Point. Select “Box/Point” radio button ( Show Example) next to “Use Map” option. To draw a box: Click “Draw Rectangle” button ( Show Example), click a point on the map and drag to draw a rectangle. To draw a point: Click “Draw Point” button ( Show Example) and click a point on the map.
To delete a box/point: Click “Clear AOI” button ( Show Example). Selecting a polygon. Move the cursor over to the Layer Control ( Show Example). Select a layer under “Reference Polygons” ( Show Example).
Select a polygon by clicking it on the map. The selected polygon will be highlighted. ( Show Example).
Click 'Find Products' Button B. Parameters Usage category Dataset categories used for product search.
TopoView highlights one of the USGS's most important and useful products, the. In 1879, the USGS began to map the Nation's topography. This mapping was done at different levels of detail, in order to support various land use and other purposes. As the years passed, the USGS produced new map versions of each area. The most current map of each area is available from. TopoView shows the many and varied older maps of each area, and so is especially useful for historical purposes—for example, the names of some natural and cultural features have changed over time, and the 'old' names can be found on these historical topographic maps.
This interface was created by the (NGMDB), in support of the topographic mapping program, managed by the USGS National Geospatial Program (NGP). Geologic and topographic mapping have a long tradition together (see ). The NGMDB project is proud to assist the NGP in bringing these maps to the Web. New functionality driven by your feedback The latest version of topoView is full of enhancements based on hundreds of your comments and suggestions.
We've added the ability to preview maps within the interface and give you tools to compare any historical map with maps of the present. Filters and searches work seamlessly with the map records table to get you the info you need with fewer clicks. Accessing the information you need is easier and quicker than ever. As always, your feedback is important to us so don't hesitate to let us know what you'd like to see in future releases! US Topo Coming Soon We're currently in the process of adding the to topoView. The US Topo series is a latest generation of topographic maps modeled on the USGS historical 7.5-minute series created from 1947-1992.
Usgs Topo Maps Download
Like the historical topographic mapping collection, we plan on adding file formats previously unavailable for the US Topo series including GeoTIFF and KMZ.