|Boston and Albany map in 1915 showing former Framingham Gas Works location of equipment at 350 Irving Street with overlay of current aerial photograph.|
|1979 Assessor's Map showing placement of Northeast Utilities|
gas tanks and equipment at 350 Irving Street.
|Combined maps of former Gas Companies at 350 Irving Street.|
Yellow markers indicate location of gas equipment in 1915.
Red markers indicate location of gas equipment in 1979.
|1930 Diagram map showing part of Southside. Area at bottom shows Eversource|
property which was then called Associated Gas and Electric Company.