"maxdraught"=>"5","river:waterway_distance"=>"7.46","seamark:gate:category"=>"flood_barrage","seamark:gate:clearance_width"=>"6.5","seamark:information"=>"Normally open for shipping","seamark:name"=>"Voorhouterbrug, keersluis","seamark:source"=>"https://www.vaarweginformatie.nl/frp/main/#/geo/detail/EXCEPT_NAV_STRUCTURE/56863","seamark:type"=>"gate"
"maxdraught"=>"5","river:waterway_distance"=>"7.46","seamark:gate:category"=>"flood_barrage","seamark:gate:clearance_width"=>"6.5","seamark:information"=>"Normally open for shipping","seamark:name"=>"Voorhouterbrug, keersluis","seamark:source"=>"https://www.vaarweginformatie.nl/frp/main/#/geo/detail/EXCEPT_NAV_STRUCTURE/56863","seamark:type"=>"gate"
"maxdraught"=>"5","river:waterway_distance"=>"7.46","seamark:gate:category"=>"flood_barrage","seamark:gate:clearance_width"=>"6.5","seamark:information"=>"Normally open for shipping","seamark:name"=>"Voorhouterbrug, keersluis","seamark:source"=>"https://www.vaarweginformatie.nl/frp/main/#/geo/detail/EXCEPT_NAV_STRUCTURE/56863","seamark:type"=>"gate"
"maxdraught"=>"5","river:waterway_distance"=>"7.46","seamark:gate:category"=>"flood_barrage","seamark:gate:clearance_width"=>"6.5","seamark:information"=>"Normally open for shipping","seamark:name"=>"Voorhouterbrug, keersluis","seamark:source"=>"https://www.vaarweginformatie.nl/frp/main/#/geo/detail/EXCEPT_NAV_STRUCTURE/56863","seamark:type"=>"gate"
"maxdraught"=>"1.9","maxheight_referencelevel"=>"canal","river:waterway_distance"=>"0.115","seamark:gate:category"=>"flood_barrage","seamark:gate:clearance_width"=>"5.5","seamark:information"=>"Located under the bridge, normally open for shipping.","seamark:name"=>"Keersluis","seamark:national_information"=>"Keersluis onder brug. Keersluis staat in de regel open.","seamark:source"=>"https://www.vaarweginformatie.nl/frp/main/#/geo/detail/EXCEPT_NAV_STRUCTURE/12422","seamark:type"=>"gate"