The bridge at Four Rocks, railroad crossing at Boston St., Newbury. 1840. Web. 20 Jan 2021. <https://ark.digitalcommonwealth.org/ark:/50959/tq57pv09v>.

The bridge at Four Rocks, railroad crossing at Boston St., Newbury [Photograph]. (1840). Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/tq57pv09v

"The bridge at Four Rocks, railroad crossing at Boston St., Newbury." Photograph. 1840. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/tq57pv09v (accessed January 20, 2021).