This polygon dataset represents the Public Land Survey System data at the section level. This layer includes data for fall quarter 2012.This layer can be used to identify section level mapping of land ownership in the United States. This dataset is intended to assist users in locating and analyzing United States oil and gas field data and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data.