Geoportal GIOŚ - INSPIRE
http://inspire.gios.gov.pl/portal/
CORINE Land Cover
http://inspire.gios.gov.pl/portal/index.php?profile=29542&projection=EPSG%3A2180
CORINE Land Cover - 2000
http://inspire.gios.gov.pl/gpt4/?permalink=83185
CORINE Land Cover - 2006
http://inspire.gios.gov.pl/gpt4/?permalink=83191
CORINE Land Cover - 2012