Added some Hydrants, replaced the position of one, please check alignment if possible
added the survey date to 14 hydrants
added 1 (2) hydrants at Holweide S-Bahn, might be slightly offset
added 30 hydrants between Buschfeldstr and Ernst-Cassel-Str
Adresse LG Holweide und ein Hydrant Ernst-Cassel-Str./Gerhart-Hauptmann-Str.
Changed ref of the FW 4 cause it was too long.
Renamed and added ref for the Köln-Duennwald Fire station
Added Fire station "Köln Holweide" (Buschfeldstr. 46, 51067) to the map,