This point shapefile represents top producing oil and gas fields in the United States. Data includes the commodity produced and location by U.S. state (including the Gulf of Mexico). This layer is from Winter Quarter 2016. This layer is intended to assist users in locating and analyzing oil and gas basin data in the United States 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. Hart Energy Publishing.(2016). Top Producing Oil and Gas Fields, United States, Winter 2016. Hart Energy Publishing. Available at: http://purl.stanford.edu/hv527qr7052 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.