Announcements
Announcement of the award of the contract "Removal of hybrid and black poplars and maintenance of pollarded willows"
Announcement of the award of the contract "Removal of hybrid and black poplars and maintenance of pollarded willows"of 04.11.2022 (german)
Announcement of tender action of Geohydrological Studies
Announcement_Geohydrological studies (german) august, 11th 2018