Commonwealth of Massachusetts extensively marked and labeled prominent geographic structures in the 1930’s
This is the marker affixed to the state Route 68 bridge in Gardner Massachusetts
Markers always labeled the elevation above sea level of the geographic structure. This elevation is labeled: BM

Photographed by Stephen Demboske, January 26, 2020.
Added to the photo archive by Stephen Demboske, January 26, 2020.
Railroad: Boston & Maine.

Stephen Demboske's awards:

» Contact the person who posted this photograph.