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"camera:mount"=>"pole","camera:number"=>"3","camera:type"=>"panning","mapillary"=>"560244688323643","operator"=>"Rijkswaterstaat","seamark:signal_station_traffic:category"=>"lock","seamark:signal_station_traffic:channel"=>"22","seamark:type"=>"signal_station_traffic","surveillance"=>"outdoor","surveillance:type"=>"camera","surveillance:zone"=>"lock","survey:date"=>"2017-06-17"
"camera:mount"=>"pole","camera:number"=>"3","camera:type"=>"panning","mapillary"=>"916578365804117","operator"=>"Rijkswaterstaat","seamark:signal_station_traffic:category"=>"lock","seamark:signal_station_traffic:channel"=>"22","seamark:type"=>"signal_station_traffic","surveillance"=>"outdoor","surveillance:type"=>"camera","surveillance:zone"=>"lock","survey:date"=>"2017-06-17"
"camera:mount"=>"pole","camera:number"=>"2","camera:type"=>"panning","mapillary"=>"310510640458595","operator"=>"Rijkswaterstaat","seamark:signal_station_traffic:category"=>"lock","seamark:signal_station_traffic:channel"=>"22","seamark:type"=>"signal_station_traffic","surveillance"=>"outdoor","surveillance:type"=>"camera","surveillance:zone"=>"lock","survey:date"=>"2018-05-06"