Congressional Districts [arcgis_rest_services_elections_congressional_MapServer_0]

https://gis4.montgomerycountymd.gov/arcgis/rest/services/elections/congressional/MapServer/0该数据集的访问接口为ArcGIS REST服务地址：https://gis4.montgomerycountymd.gov/arcgis/rest/services/elections/congressional/MapServer/0，为美国蒙哥马利县（Montgomery County）发布的国会选举相关地图服务的第0图层。