"hiking"=>"yes","bicycle"=>"yes","map_size"=>"region","map_type"=>"topo","operator"=>"Staatsbosbeheer","information"=>"map"
"board_type"=>"nature","information"=>"board"
"operator"=>"Stichting Natuurbeheer Hoekschewaards Landschap","board_type"=>"nature","information"=>"board"
"board_type"=>"technology","description"=>"Informatie over de veiligheidsvoorzieningen van de spoortunnel/overkapping","information"=>"board"