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Start Over Year 1999 Theme Utilities
1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, and 2011. Applied Science Associates. This polygon shapefile identifies locations that contain one or more submarine cable and/or pipeline areas in the Northeastern United States. This ... Applied Science Associates.
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.).
1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, and 2005. NASA Langley Atmospheric Sciences Data Center. This polygon shapefile represents the average monthly and annual measurements (kWh/m^2/day) of solar direct normal radiation (DNI) for the entire g...
1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, and 2005. NASA Langley Atmospheric Sciences Data Center. This polygon shapefile represents the 22 year average monthly and annual measurements (kWh/m^2/day) of global horizontal irradiance (GHI) for the e... NASA Langley Atmospheric Sciences Data Center.
1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, and 2005. NASA Langley Atmospheric Sciences Data Center. This polygon shapefile contains monthly and annual averages of solar Latitude Tilt Irradiance data (kWh/m^2/day) compiled by NASA and SSE. These da... NASA Langley Atmospheric Sciences Data Center.