N. A. - Northborough--Building side walls Sec. 10 - Sta. 422

Construction of the Clinton-Wachusett sewage and water supply system, Northborough, Massachusetts.
No. 724.
and photographer name from Massachusetts Archives.
Glass negative for this photograph is at the Commonwealth of Massachusetts State Archives, http://ark.digitalcommonwealth.org/ark:/50959/nk322f79m, with the title "Wachusett Aqueduct, building concrete side walls, station 422, Section 10, Northborough, Mass., Oct. 9, 1896."