Cambridge map reveals 2,000 years of hidden history. Image source, Historic Town's Trust. Image caption, The map uses a 1925 Ordnance Survey as its template and lays onto it the location of long ...

A historic map of Cambridge and Somerville at WardMaps. Craig F. Walker/Globe Staff “I think it’s cool,” said Beaucher, who has had his shop on Massachusetts Avenue since 2008 and published ...

The map uses a 1925 Ordnance Survey of Cambridge as its template, because it is "easier to map buildings which have disappeared using historic property boundaries on older maps".