descriptopm

"material"=>"concrete","operator"=>"Gemeente Hoeksche Waard","ref"=>"30766ST"

"material"=>"wood","official_name"=>"Stuw Simonsdijkje Puttershoek","operator"=>"Waterschap Hollandse Delta","usage"=>"spillway"

"material"=>"concrete","official_name"=>"Stuw Molendijk 3p","operator"=>"Waterschap Hollandse Delta","ref"=>"12789ST"

"operator"=>"Gemeente Hoeksche Waard","ref"=>"12814ST"

"material"=>"wood","operator"=>"Waterschap Hollandse Delta","ref"=>"03395ST","weir:movable"=>"yes"

"material"=>"wood","official_name"=>"Stuw noordzijde Molendijk Puttershoek","operator"=>"Waterschap Hollandse Delta","ref"=>"12788ST"

"operator"=>"Gemeente Hoeksche Waard","ref"=>"30764ST"

"operator"=>"Waterschap Hollandse Delta","ref"=>"03507ST"

"operator"=>"Gemeente Hoeksche Waard","ref"=>"30594ST"

"official_name"=>"Stuw Tweede Kruisweg t.h.v. huisnr. 3","operator"=>"Waterschap Hollandse Delta","ref"=>"30580ST"

"material"=>"wood","ref"=>"26464ST"

"material"=>"concrete;iron","operator"=>"Waterschap Hollandse Delta","ref"=>"09268ST"

"operator"=>"Waterschap Hollandse Delta","ref"=>"45685ST"

"ref"=>"30592ST"

"operator"=>"Waterschap Hollandse Delta","ref"=>"29541ST"

"material"=>"concrete;steel","operator"=>"Waterschap Hollandse Delta","ref"=>"30755ST","weir:movable"=>"yes"

"operator"=>"Waterschap Hollandse Delta","ref"=>"07575ST","weir:movable"=>"yes"

"material"=>"wood","operator"=>"Waterschap Hollandse Delta","ref"=>"11001ST","weir:movable"=>"yes"

"operator"=>"Waterschap Hollandse Delta","ref"=>"30740ST","weir:movable"=>"yes"

"material"=>"concrete","operator"=>"Waterschap Hollandse Delta","ref"=>"09306ST","weir:movable"=>"yes"

"ref"=>"20567ST"