https://gis.boston.gov/arcgis/rest/services/SAM/BOUNDARIES/MapServer
https://gis.boston.gov/arcgis/rest/services/SAM/DYNAMIC_ADDRESSES/MapServer
https://gis.boston.gov/arcgis/rest/services/SAM/DYNAMIC_STREETS/MapServer
https://gis.boston.gov/arcgis/rest/services/SAM/Live_SAM_Address/MapServer
https://gis.boston.gov/arcgis/rest/services/SAM/Live_SAM_Intersections/MapServer
https://gis.boston.gov/arcgis/rest/services/SAM/maint_tool/MapServer
https://gis.boston.gov/arcgis/rest/services/SAM/ORTHOPHOTO_2011/MapServer
https://gis.boston.gov/arcgis/rest/services/SAM/SAM_property_assessment_parcel_join/FeatureServer
https://gis.boston.gov/arcgis/rest/services/SAM/SAM_property_assessment_parcel_join/MapServer