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Sewerage 2017 (environmental atlas)
Information on the type of sewage system and the catchment areas of the rainwater sewer system -
Sewerage 2012 (environmental atlas)
Information on the type of sewage system and the catchment areas of the rainwater sewer system -
Disposal of Rainwater and Wastewater 2005 (Environmental Atlas)
Information on the type of sewage system and the catchment areas of the rainwater sewer system based on the block map 1 : 50,000 (ISU50, spatial reference environmental atlas...