IOOI: Link added, Source: Survey, GPS
IOOI: Baustraße extended, Source: Survey, GPS
IOOI: Track added, Source: Survey, GPS
IOOI: Hinterdeich fixed, Source: Survey, GPS
IOOI: Hinterdeich fixed, Source: Survey, GPS
IOOI: Vorbelastungsdamm added, Source: Survey
IOOI: small correction according to GPS-traces
IOOI: the HPA roads are service roads, Source: Survey
IOOI: gate added, Source: Survey
IOOI: small correction according to GPS-traces
IOOI: small correction according to GPS-traces
IOOI: OU Finkenwerder: Baustraße added, Source: Survey
IOOI: OU Finkenwerder: Baustraße added, Source: Survey
IOOI: some tracks to the Schlickdeponie added, Source: Survey
IOOI: small correction according to GPS-traces
IOOI: some ditches added, Source: Survey
IOOI: small correction according to GPS-traces
IOOI: small correction according to GPS-traces
IOOI: HPA area clean up, Source: Survey