Search Results
2010. National Geophysical Data Center. This line shapefile shows lines of equal vertical intensity of the Earth's magnetic field, derived from the International Geomagnetic Reference Fie... National Atlas of the United States.
1997. United States. National Imagery and Mapping Agency. This point shapefile represents the major airfields in Kenya. This data was used in Map 6.4 and Map 6.5 featured in Natures Benefits in Kenya: An A... United States. National Imagery and Mapping Agency.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polyline shapefile depicts most major and minor roads in the nine county San Francisco Bay Area Region, California. These data were created fr... Bay Area Open Space Council.
2006, 2007, 2008, and 2009. Uganda Bureau of Statistics. This point shapefile represents the major centers of the Acholi District in Uganda. Data were collected by humanitarian partners during 2006 - 2009... Uganda Bureau of Statistics.
2000. Geological Survey of Kenya, International Livestock Research Institute, and Kokusai Kyōryoku Kikō. This point shapefile identifies major cities in Kenya for 2000. Data from 1:50,000 and 250,000 topographic maps originally created by the Geologica... World Resources Institute.
2002, 2003, and 2004. Geological Survey (U.S.). This point shapefile portrays major dams of the United States, including Puerto Rico and the U.S. Virgin Islands. The map layer was created by extr... Geological Survey (U.S.).
2006. Rawson, Peg. This point shapefile depicts major dams in the United States, including Puerto Rico and the U.S. Virgin Islands. The map layer was created by extra... United States. Bureau of Transportation Statistics.
2003. This polygon shapefile depicts major discharges into Southern California's near-coastal marine waters, but does not include discharges into enclose... California. Department of Fish and Game. Marine Resources Region.
2013. Waterborne Commerce Statistics Center (U.S.) and United States. Bureau of Transportation Statisticsf. This point shapefile depicts ports politically defined by port limits or USACE projects, excluding non-USACE projects not authorized for publicatio... United States. Bureau of Transportation Statistics.
1997. United States. National Imagery and Mapping Agency. This line shapefile depicts the major rivers in Kenya. These data were created by the U.S. National Imagery and Mapping Agency in 1997. This layer ... United States. National Imagery and Mapping Agency.