Since the beginnings of the state, Colorado masons have been dedicating buildings using a ceremony called "laying a cornerstone". This dedication is
done for public buildings throughout the state. This ceremony has been performed on thousands of buildings ranging from the US Capitol, to the
Colorado State Capitol, please contact
www.coloradomasons.org...
for more information on cornerstones.
As for the Steam tunnels, they are not part of Freemasonry.
Masonry is viewed in to denominations, Operative and Speculative. Freemasons work in the speculative masonry, not physical architecture.


