"board:title"=>"Lancaster EM-Q","board_type"=>"history","information"=>"board"
"information"=>"office","source:date"=>"2014-03-24"
"board_type"=>"geology","description"=>"Salamanderweide (Uitzicht op de Betuwe)","information"=>"board"
"board_type"=>"nature","information"=>"board"