B-9



planned tunnel size:
60 000-75 000 m²

planned tunnel:
10 main tunnels (A-J)
23 crossways

completed tunnel:
1. level:
7 main tunnels (A-G)
15 crossways
2. level
1 main tunnel (H)
started crosscut

start of construction: spring 1944

concentration camp prisoners: about 15 000

alone in concentration camp Melk/Quartz B9 harrowing killed:
about 5 000 concentration camp prisoners

height of the tunnel:
1,5 m to 12 m
depending on the configuration

Entrance Roggendorf

entrance 1993
entrance 1993

entrance 2008
entrance 2008

entrance 2010
entrance 2010
Hole next to the entrance
Hole next to the entrance
The closed entrance in February 2011
The closed entrance in February 2011
The entrance from inside years ago
The entrance from inside years ago