Item #005 - Subterranean Exploration Project
Photographs - Tunnel/East Room
Photographs - Mark I
Photographs - Mark II
Photographs - Mark III
Description
Several small tunnels/conduits exist below/within the foundation of the building
Original floor plans indicate tunnels were used for electrical wiring and refrigerant lines for grocery store equipment
Average inside diameter of tunnels varies between 10“ to 14”
Status
History