This directory contains California census geography from the 1990 census,
in three popular GIS formats and two commonly used coordinate systems.
Unless otherwise stated, there is no data attached to these geographic
files except for a unique identifier for each geographic region.

Tracts
TRACTS_N27_MAPT.ZIP	Maptitude CDF		NAD 27
TRACTS_N83_MAPT.ZIP	Maptitude CDF		NAD 83
TRACTS_N27_SHP.ZIP	ESRI Shapefile		NAD 27
TRACTS_N83_SHP.ZIP	ESRI Shapefile  	NAD 83
TRACTS_N27_MI.ZIP	MAPINFO Interchange 	NAD 27
TRACTS_N83_MI.ZIP	MAPINFO Interchange 	NAD 83

Block Groups
BLOCKGRP_N27_MAPT.ZIP	Maptitude CDF		NAD 27
BLOCKGRP_N83_MAPT.ZIP	Maptitude CDF		NAD 83
BLOCKGRP_N27_SHP.ZIP	ESRI Shapefile		NAD 27
BLOCKGRP_N83_SHP.ZIP	ESRI Shapefile  	NAD 83
BLOCKGRP_N27_MI.ZIP	MAPINFO Interchange 	NAD 27
BLOCKGRP_N83_MI.ZIP	MAPINFO Interchange 	NAD 83

Counties
COUNTY_N27_MAPT.ZIP	Maptitude CDF		NAD 27
COUNTY_N83_MAPT.ZIP	Maptitude CDF		NAD 83
COUNTY_N27_SHP.ZIP	ESRI Shapefile		NAD 27
COUNTY_N83_SHP.ZIP	ESRI Shapefile  	NAD 83
COUNTY_N27_MI.ZIP	MAPINFO Interchange 	NAD 27
COUNTY_N83_MI.ZIP	MAPINFO Interchange 	NAD 83

Assembly Districts
AD91_N27_MAPT.ZIP	Maptitude CDF		NAD 27
AD91_N83_MAPT.ZIP	Maptitude CDF		NAD 83
AD91_N27_SHP.ZIP	ESRI Shapefile		NAD 27
AD91_N83_SHP.ZIP	ESRI Shapefile  	NAD 83
AD91_N27_MI.ZIP		MAPINFO Interchange 	NAD 27
AD91_N83_MI.ZIP		MAPINFO Interchange 	NAD 83

Senate Districts
SD91_N27_MAPT.ZIP	Maptitude CDF		NAD 27
SD91_N83_MAPT.ZIP	Maptitude CDF		NAD 83
SD91_N27_SHP.ZIP	ESRI Shapefile		NAD 27
SD91_N83_SHP.ZIP	ESRI Shapefile  	NAD 83
SD91_N27_MI.ZIP		MAPINFO Interchange 	NAD 27
SD91_N83_MI.ZIP		MAPINFO Interchange 	NAD 83

Congressional Districts
CD91_N27_MAPT.ZIP	Maptitude CDF		NAD 27
CD91_N83_MAPT.ZIP	Maptitude CDF		NAD 83
CD91_N27_SHP.ZIP	ESRI Shapefile		NAD 27
CD91_N83_SHP.ZIP	ESRI Shapefile  	NAD 83
CD91_N27_MI.ZIP		MAPINFO Interchange 	NAD 27
CD91_N83_MI.ZIP		MAPINFO Interchange 	NAD 83