Us open map 2015 pdf#

See this FAQВ for more information about specific layers. A challenge has been finding national datasets for all the feature types of a traditional topographic map. Many additional feature classes have been added over the life of the project, and new and better data sources have been found for others. The maps include layers not present on most traditional topographic maps, such as aerial photo and shaded relief images.

Us open map 2015 pdf#

Limited GIS functionality, such as displaying ground coordinates, is available with all maps, and the layered construction of the PDF files allows users to turn data layers on and off. All maps can be viewed and printed with Adobe Reader or comparable PDF viewing software. US Topo maps can be downloaded free of charge from several USGS websites. US Topo maps repackage geographic information system (GIS) data in traditional map form this benefits non-specialist map users, as well as applications that need traditional maps.

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.

The project was launched in late 2009, and the term вЂњUS TopoвЂќ refers specifically to quadrangle topographic maps published in 2009 and later. US Topo topographic maps are produced by the National Geospatial ProgramВ of the U.S.