https://gis.niwa.co.nz/server/rest/services/HYDRO/NZ_Large_Catchments__Digital_Network_2_5_/MapServer https://gis.niwa.co.nz/server/rest/services/HYDRO/NZ_Rivers_and_Names_Layer/MapServer https://gis.niwa.co.nz/server/rest/services/HYDRO/NZ_Rivers_and_Names/FeatureServer https://gis.niwa.co.nz/server/rest/services/HYDRO/NZ_Rivers_and_Names/MapServer