Technology

William W. Eastman

William W. Eastman, c.1890, one of the primary people responsible for the tunnel project.

Clean-up crew after the tunnel break at Saint Anthony Falls, 1869. Photographer: Beal’s Art Gallery.

Break in the tunnel at Saint Anthony Falls, 1869.

Break in the tunnel at Saint Anthony Falls, 1869.

The rapids of Saint Anthony Falls in 1869, as they appeared before the break in the tunnel.

John L. Merriam, c.1865, one of the primary people responsible for the tunnel project.