"board_type"=>"history","information"=>"board","survey:date"=>"2021-10-23"
"hiking"=>"yes","information"=>"map","map_type"=>"scheme"
"board_type"=>"nature","direction"=>"27","information"=>"board","operator"=>"Staatsbosbeheer"
"board_type"=>"history","direction"=>"180","information"=>"board"
"board_type"=>"rules","description"=>"Schietterrein Het achter dit bord gelegen terrein is levensgevaarlijk wegens schietoefeningen wanneer op dit bord eebn rode vlag is geplaatst","direction"=>"60","disused"=>"yes","information"=>"board","operator"=>"Ministerie van Defensie"