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Bell system

The contact to the outside world. This is how I communicate with you.

Postal address

Graukaue
Michael Holtkamp
Fürst-Leopold-Platz 1
D-46284 Dorsten
Germany

Directions:

  • To the Fürst Leopold Colliery in Dorsten: Access
  • To Graukaue (on the premises of the mine): Inbye

On iMessage and FaceTime, I can be reached under the following address.

The podcast feeds are provided on the pages of the respective pits.

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Information regarding the processing of your data and your right of objection: Privacy policy