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2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This polygon shapefile shows the approximate extent of marine areas in the Arctic covered by permanent polar ice. The data originated from the Cana... Geological Survey (U.S.).
1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
2017. Jasper Ridge Biological Preserve (Agency). This polygon shapefile represents the Searsville Dam in the Jasper Ridge Biological Preserve (JRBP). This layer is part of a collection of GIS data... Jasper Ridge Biological Preserve (Agency).
1892. Jasper Ridge Biological Preserve (Agency). This polygon shapefile represents Searsville Lake in the Jasper Ridge Biological Preserve (JRBP) in 1892. This layer is part of a collection of GIS... Jasper Ridge Biological Preserve (Agency).
2010. Jasper Ridge Biological Preserve (Agency). This polygon shapefile represents Searsville Lake in the Jasper Ridge Biological Preserve (JRBP) as of 2010. This layer is part of a collection of ... Jasper Ridge Biological Preserve (Agency).
2010. Jasper Ridge Biological Preserve (Agency). This polygon shapefile represents the boundaries of Searsville Marsh in the Jasper Ridge Biological Preserve (JRBP). This layer is part of a collec... Jasper Ridge Biological Preserve (Agency).
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the 2000 U.S. Census secondary school district boundaries in Arizona. Secondary school districts provide educatio... U.S. Census Bureau. Geography Division.