This polygon shapefile represents spheres of influence boundaries data in Amador County for 2012. This file was obtained 3/2/2016 by UCSB Library staff. It was originally available via http://www.co.amador.ca.us/departments/information-technology/gis/gis-data.
The following metadata was provided by the data creators: This dataset contains spheres of influence boundaries for the five incorporated cities in Amador County, California: Amador City, Ione, Jackson, Plymouth and Sutter Creek. This data set is based on sphere of influence boundaries approved and adopted by Amador LAFCO on June 21, 2007. However, please see Supplementary Information below.