http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31381048hydraulic structures by function http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31381048 hydraulic structures BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31381048 stream gauging stations NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31381048 drainage structures NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31381048 water distribution structures NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31381048 land reclamation works NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31381048 flood protection works NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31381048 erosion protection works NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31381048 dams NT