Arlington, MA: minor updates while out on a walk

Arlington, MA: minor updates while out on a walk

Waltham, MA: removed building that doesn't exist

Waltham, MA: Beaver Brook North: wetlands cleanup

Waltham, MA: Beaver Brook North: switched carriage roads back to highway=track after talking with last mapper that changed to "path". I think this is pretty clearly a track per OSM Track wiki.

Belmont, MA: Lone Tree Hill: Red Maple Trail: updated tagging to "bicycle=yes" from designated which is more consistent with the connecting trails' tagging

Belmont, MA: Lone Tree Hill: changed Coal Road back to track after talking with last mapper that changed it to path.

Belmont, MA: Rock Meadow: minor updates after recent walk

Oakham, MA: Oakham WMA: realigned parcel boundary, combined parcels

Oakham, MA: added EQLT's "Eva's Woods"

Arlington, MA: Hill's Hill: minor tweaks

Arlington, MA: added path with stairs conencting MM path to street

Concord, MA: Mattison Field: boundary realignment

Concord, MA: private CR cleanup

Concord, MA: Kraetzer Land: realign parcel

Concord, MA: Kingman Land: realign parcel

Medfield, MA: Medfield Meadow Lots: added lots to single multipolygon

Medfield, MA: Charles River Natural Valley Storage Area: update multipolygon

Medfield, MA: Medfield Charles River State Reservation: updated multipolygon

Medfield, MA: former state hospital grounds: updates after recent visit