Sunday, June 4, 2017
Massachusetts, Boston Area,
1:00pm start. Explore a large protected area across the Groton/Tyngsboro line. There will be varied ecology from beaver ponds to meadows to upland forest. Additional interests include a physics demonstartion and an old quarry. Meet at the end of Cow Pond Brook Road in Groton (42.6249N 71.5026W).