Hoosac Tunnel and surroundings. 1860. Web. 19 Jun 2021. <https://ark.digitalcommonwealth.org/ark:/50959/hd76s066z>.

Hoosac Tunnel and surroundings [Photograph]. (1860). Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/hd76s066z

"Hoosac Tunnel and surroundings." Photograph. 1860. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/hd76s066z (accessed June 19, 2021).