"board_type"=>"history","information"=>"board","operator"=>"Staatsbosbeheer"
"board_type"=>"nature","information"=>"board","operator"=>"Staatsbosbeheer"
"board_type"=>"history","information"=>"board"
"bicycle"=>"yes","information"=>"map"
"information"=>"map","map_size"=>"site","map_type"=>"street"
"bicycle"=>"yes","information"=>"map"
"bicycle"=>"yes","information"=>"map"
"board_type"=>"geology","information"=>"board"
"information"=>"office","name:nl"=>"Katlijker Schar"