When maintenance activities cross wetlands, or adjacent areas in the buffer zones we can provide roads and working platforms custom to your needs and equipment From erosion control to sedimentation traps we can design and install a protection system that is cost effective and environmentally sound Northern Tree Service specializes in the purchase and planting of large specimen trees 2011-11-26 Northern Tree Service is dedicated to the best health of your trees, using safe, effective tree treatments 2011-11-26 Massachusetts-certified arborists offering the best in commercial, municipal, tree, and vegetation management services 2011-11-26 Let Northern Tree Service create the landscape design of your dreams for the price that's right for you 2011-11-26 State of the art equipment, from the Brontosaurus mower, to grubbing and stump removal, to air spade technology 2011-11-26 Massachusetts Tree, plant and landscape services including tree management, tree maintenance, planting and tree care 2011-11-26