Keywords: California US Congressional District 31 (since 2013).tif en Boundaries for California's 31st US Federal Congressional District 2014-03-21 21 19 35 GIS shapefile data created by the United States Department of the Interior as part of the 1 Million Scale geospatial data project Retrieved from http //nationalatlas gov/atlasftp-1m html openChapters chpbound 1 GIS congressional districts 2013 shapefile data was created by the United States Department of the Interior 2 Data was rendered using ArcGIS® software by Esri 3 File developed for use on Wikipedia and elsewhere by 7partparadigm PD-USGov Uploaded with UploadWizard Congressional district maps of California CA 31 Maps of San Bernardino County California San Bernardino California ˘ |