Filename:	mprec_state_p18_v01_shp.zip

File URL:	http://statewidedatabase.org/pub/data/P18/state/mprec_state_p18_v01_shp.zip

Dataset:	2018 Primary Election precinct boundary GIS file

Description:	This file contains the statewide precinct boundary file for the 2018 Primary Election Map precincts. 

Geographic unit:	Map precincts (MPREC) are created to reflect the geography as consistently as possible. 
RR precincts are aggregations of RG precincts (tabular data) into Map precincts (geographic). Generally speaking, Map precincts are RR precincts.

Technical documentation: http://statewidedatabase.org/d10/Creating%20CA%20Official%20Redistricting%20Database.pdf

File fields:

	ELECTION - 3 digit, election abbreviation

 	TYPE - geographic unit of file

	FIPS - 2 digit state code FIPS for California, '06,' followed by the 3 digit county FIPS code 

	PREC_KEY - FIPS code followed by the precinct number or name

	PREC - Map precinct number or name

Date last modified:07/16/19 
Previous versions:	none

County records unavailable at time of file creation:	
025 - Imperial County data are still being collected and processed.
047 - Merced County data are still being collected and processed.

Data user notes:	

Note 1. The Map precinct boundary file is in .shp file format. ArcGIS products by ESRI, 
Google Earth, and several open source and low cost GIS platforms are able to view and open the .shp file type.