Hijmans, Robert J. This polygon shapefile contains the boundary of Bulgaria (adm0). This layer is part of the Global Administrative Areas 2015 (v2.8) dataset. University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
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Hijmans, Robert J. This polygon shapefile contains the first-level administrative divisions of Bulgaria (adm1). Level 1 divisions include provinces. This layer is par... University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
Hijmans, Robert J. This polygon shapefile contains the second-level administrative divisions of Bulgaria (adm2). Level 2 divisions include municipalities. This layer ... University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
2015. Global Resource Information Database and United Nations. Office for Disaster Risk Reduction. This point shapefile includes estimation on the economic value of the exposed assets in Bulgaria as well as their physical characteristics in urban... United Nations. Office for Disaster Risk Reduction.
1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, and 2008. International Heat Flow Commission, International Association of Seismology and Physics of the Earth's Interior, and Oklahoma State University. Department of Geography. Cartography Service. This point shapefile contains heat flow data for Bulgaria compiled from sources dating from 1983 to 2008. Heat flow is a measure of heat loss acros... International Heat Flow Commission.