This letter and photos are extracted from a 1952 secret, 
now declassified paper. This was the period when the depot was in it's 
initial planning stages.
Thanks to Lou Sisk for discovering and contributing this memory

Main Entrance to Caves Area

Saumur Signal Depot in Varrains

Cave Warehouse #6, Bays 233 to 234

Storage cave entrance and proposed truck dock, under construction

A Polish guard at the depot main gate. 
His name was not given to protect his family still in Poland.

Chateau des Ifs with the temporary hutment billets

Main entrance to the caves