2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts the locations of 394 authorized Park Service units in the United States only that are over 100,000 acres. The data doe... North American Cartographic Information Society.
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1972, 1973, 1974, 1975, 1976, 1977, 1978, 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, and 2006. National Atlas of the United States. This polygon shapefile contains federally owned or administered lands of the United States, Puerto Rico, and the U.S. Virgin Islands. Only areas of... National Atlas of the United States.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 394 authorized Park Service units in the United States only that are over 100,000 acres. The data does not include a... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 394 authorized Park Service units in the United States only with scale rankings that are over 100,000 acres. Scale r... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts 394 authorized Park Service units in the United States only that are over 100,000 acres. The data does not include ... North American Cartographic Information Society.
2006. IUCN--The World Conservation Union and UNEP World Conservation Monitoring Centre. This polygon shapefile shows the locations of protected areas (parks and reserves) in Kenya. This data was used in maps throughout Nature's Benefit... UNEP World Conservation Monitoring Centre.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), and U.S. Fish and Wildlife Service. Region 8. This polygon shapefile depicts the service areas designated by the United States Fish and Wildlife Service (FWS) to contain conservation banks loca... Bay Area Open Space Council.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts the suitability layer developed for use with Marxan estimates of ecological integrity to identify areas that are bes... Bay Area Open Space Council.
2010. Bay Area Open Space Council, Conservation Lands Network, GreenInfo Network (Firm), and San Francisco Bay Area Upland Habitat Goals Project. The Bay Area Protected Areas Database (BPAD) is a subset of the California Protected Areas Database (CPAD) which contains all known protected lands... Bay Area Open Space Council.
2010. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). The Bay Area Protected Areas Database (BPAD) is a subset of the California Protected Areas Database (CPAD) which contains all known protected lands... Bay Area Open Space Council.
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