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Start Over You searched for: Year 1997 Remove constraint Year: 1997 Creator National Energy Information Center (U.S.) Remove constraint Creator: National Energy Information Center (U.S.) Publisher National Energy Information Center (U.S.) Remove constraint Publisher: National Energy Information Center (U.S.)

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1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, and 2009. National Energy Information Center (U.S.). This point shapefile represents natural gas market hubs in the United States for 1996-2009. A hub is a physical transfer point for natural gas wher... National Energy Information Center (U.S.).