Chris Pattison, historic site manager for the Sutro Tunnel restoration project, gives a tour of the property to Jeff Williams, a popular YouTube blogger who specializes in history, gold mining and geology.

• To learn more about the Sutro Tunnel restoration project — as well as to donate to the effort — please be sure to visit the Friends of Sutro Tunnel.

• To learn more about Jeff Williams, please visit his website.

• To read Dennis’s July 4, 2022 update on the project, please visit the Nevada Appeal.