"seamark:harbour:category"=>"marina","seamark:type"=>"harbour"
"access"=>"private","seamark:harbour:category"=>"marina","seamark:type"=>"harbour"
"access"=>"private","seamark:harbour:category"=>"marina","seamark:type"=>"harbour"
"access"=>"private","seamark:harbour:category"=>"marina","seamark:type"=>"harbour"
"operator"=>"Gemeente Smallingerland","seamark:harbour:category"=>"marina","seamark:type"=>"harbour"