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Start Over Place Eastern Hemisphere Bounding Box -40.000931 39.999015 -39.999064 40.000987

51. ESRI Data & Maps 2005 : World Countries (Generalized)

Datasets Harvard University Restricted content
1996. Environmental Systems Research Institute (Redlands, Calif.). World Countries (Generalized) represents generalized boundaries for the countries of the world, as they existed in January 2005. ESRI.

52. ESRI Data & Maps 2005 : World Wildlife Fund Terrestrial Ecoregions

Datasets Harvard University Restricted content
2001. World Wildlife Fund and Environmental Systems Research Institute (Redlands, Calif.). World Wildlife Fund Terrestrial Ecoregions represents global terrestrial ecoregions. Ecoregions are defined as relatively large areas of land or wa... ESRI.

53. ESRI Data & Maps 2006 : World Cities

Datasets Harvard University Restricted content
1996. Environmental Systems Research Institute (Redlands, Calif.). World Cities represents the locations of major cities of the world. ESRI.

54. ESRI Data & Maps 2006 : World Country Boundaries

Datasets Harvard University Restricted content
1996. Environmental Systems Research Institute (Redlands, Calif.). World Country Boundaries represents the boundary lines for the countries of the world. ESRI.

56. Global GIS : Airfields

Datasets Harvard University Restricted content
1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing airports and airfields worldwide and was published as part of the USGS Global GIS : global coverage... American Geological Institute.

57. Global GIS : Aqueducts, canals, flumes, penstocks

Datasets Harvard University Public content
1997. United States. National Imagery and Mapping Agency. This datalayer is a polyline coverage representing major roads worldwide and was published as part of the USGS Global GIS : global coverage databas... American Geological Institute.

58. Global GIS : Bailey equal-area grid

Datasets Harvard University Public content
2003. Environmental Systems Research Institute (Redlands, Calif.). This dataset is a polyline coverage representing the Bailey Equal-Area Grid. The Bailey Equal-Area Grid is an area-reference grid that uses meridia... American Geological Association.

59. Global GIS : Country political boundaries

Datasets Harvard University Restricted content
1997. United States. National Imagery and Mapping Agency. This datalayer is a polygon coverage representing country political boundaries worldwide and was published as part of the USGS Global GIS : global ... American Geological Institute.

60. Global GIS : Drainage Basins

Datasets Harvard University Public content
2003. EROS Data Center, Geological Survey (U.S), American Geological Institute, and Environmental Systems Research Institute (Redlands, Calif.). This datalayer is a polygon coverage representing hydrologic drainage basins located worldwide. The data displayed here is derived from the HYDRO 1... American Geological Institute.