http://www.mapcruzin.com/free-geodata-shapefiles/usgs-geospatial-data-geodata-geographic-download.htm
Above is an example of DLG map uses a format that stores vector data in ASCII or binary files. It is used by some applications such as AutoCad as well as other CAD software and converted into ARC/INFO. This is a perfect illustration of this with Illinois and Missouri.
No comments:
Post a Comment