Wilderness Study Areas in the United States

This data set consists of federally owned land polygon features of the United States. The data set was created by extracting federal land polygon features from the individual 1:2,000,000-scale State boundary Digital Line Graph (DLG) files produced by the U.S. Geological Survey. These files were then appended into a single coverage. This is a revised version of the June 1998 data set. There may be private inholdings within the boundaries of Federal Lands in this data set. These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:2,000,000-scale data. No responsibility is assumed by the U.S. Geological Survey [...]