Combining documentary evidence, oral and architectural history, and environmental and material culture studies, they trace the deterioration of living conditions for mill workers and their families as owners began substituting native-born employees with immigrant laborers.

...Brief summary of the 2001 archaeological investigations conducted at the Kirk Street Agents' House, Lowell National Historical Park in Lowell, Massachusetts; archeological excavation was conducted at the site in response to plans to construct an accessibility ramp and porch behind the site...