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Legend (Basemaps/base_map_webmercatorV2)

EGIS.MIS.POI (9)
Streets (10)
Boston_tunnels (11)
Parcels (12)
ISD_Neighborhoods (13)
Neighborhoods (14)
building_simplified (15)
Overpass (16)
Street_Edges (17)
airport (18)
Boston Roads - Bridges (19)
Open Space (20)
<all other values>
City Hall Plaza
Post CAT Blocks (21)
Boston Land (22)
surrounding_towns (23)
hydro (24)