{{source}}This file gives 1998 boundaries of the districts used by the Chicago Police Department. It is derived largely from the maps at the Police Department's Website. Author of shapefile: Christopher Siciliano. Shapefile name is poldist.shpArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/c5d41751ef714f31a613e5e8668182a6_0engUniversity of Chicago Library GIS Data HubPublicChicago Police Districts 1998 [Illinois--Chicago]Web servicesIllinois--ChicagoIllinois1998