Geological Survey

The Open Space and Recreation Working Group hosted a hike through Willis Woods to a glacial erratic, one of many large boulders deposited across North America by retreating glaciers at the end of the last ice age. The erratic was identified late last year as OSRWG were scouting through the Willis Woods: a section of more than 600 acres of contiguous, undeveloped, forested … [Read more...] about Ice age geology in Lynnfield’s Willis Woods