FLORIDA GEOGRAPHIC DATA LIBRARY DOCUMENTATION
VERSION 2003, RELEASED NOVEMBER, 2002.

2000 Traffic Analysis Zones

Geodataset Name:      TAZ
Geodataset Type:      SHAPE
Geodataset Feature:   POLYGON

GENERAL DESCRIPTION:

This dataset containes US Census Bureau 2000 data for the State of 
Florida by Traffic Analysis Zone (TAZ).  The data contains selected fields from the Summary 1 file that 
includes information on total population, race, sex, age, and household.  

DATA SOURCE(S):                   U.S. Census Bureau

SCALE OF ORIGINAL SOURCE MAPS:    1:100000

DATE OF AUTOMATION OR SOURCE:     2000

GEODATASET EXTENT:                State of Florida

Datafile Name: CENBLK.dbf

ITEM NAME	WIDTH	TYPE	     Precision
ID		8	Number		0
TAZ		15	Character	-
POP2000		8	Number		0
WHITE		8	Number		0
BLACK		8	Number		0
AMERI_ES	8	Number		0
ASIAN		8	Number		0
HAWN_PI		8	Number		0
OTHER		8	Number		0
MULT_RACE	8	Number		0
HISPANIC	8	Number		0
MALES		8	Number		0
FEMALES		8	Number		0
AGE_UNDER5	8	Number		0
AGE_5_17	8	Number		0
AGE_18_21	8	Number		0
AGE_22_29	8	Number		0
AGE_30_39	8	Number		0
AGE_40_49	8	Number		0
AGE_50_64	8	Number		0
AGE_65_UP	8	Number		0
MED_AGE		8	Number		1
HOUSEHOLDS	8	Number		0
AVE_HH_SZ	8	Number		2
FAMILIES	8	Number		0
AVE_FAM_SZ	8	Number		2
HSE_UNITS	8	Number		0
LOGRECNO	8	Number		0
ACRES		16	Number		3
POPDENS		16	Number		4
PCTMNRTY	3	Number		0

FEATURE ATTRIBUTE TABLES CODES AND VALUES:

Field Name              Field Description

TAZ			Traffic Analysis Zone Number from Census 2000
pop2000			population 2000
white	 		white alone
black			black or african american alone
ameri_es		american indian and alaska native alone
asian			asian alone
hawn_pi			native hawaiian and other pacific islander alone
other			some other race alone
mult_race		2 or more races
hispanic		people who are hispanic or latino
males			males
females			females
age_under5		male and female under 5 yrs
age_5_17		male and female 5 to 17 yrs 
age_18_21		male and female 18 to 21 yrs 
age_22_29		male and female 22 to 29 yrs
age_30_39		male and female 30 to 39 yrs
age_40_49		male and female 40 to 49 yrs 
age_50_64		male and female 50 to 64 yrs 
age_65_up		male and female 65 yrs and over 
med_age			median age both sexes 
households		households 
ave_hh_sz		average household size 
families		families 
ave_fam_sz		average family size 
hse_units		housing units 
ACRES			Number of Acres (based on total area)
POPDENS			Population Density (POP2000/Acres)
PCTMNRTY		Percent of Population that is minority (((POP2000-WHITE)/POP2000)*100)

USER NOTES:

For information on Census entities, please see 
the following document:
(www.census.gov/prod/cen2000/doc/sf1.pdf)

FGDL QUALITY ASSURANCE STATUS:

-Downloaded Census Block Boundaries from www.geographynetwork.com/data/tiger2000
-Merged counties
-Downloaded Summary 1 file from http://www2.census.gov/census_2000/datasets/Summary_File_1/Florida/
-Joined shapefile with GeoHeader file from Summary 1
-Add descript item based on total population
-Projected to Albers HPGN
-Downloaded Summary One files from Census.gov
-Converted AREALAND, AREAWATR, POP100, HU100 fields from character to number
-Downloaded 2000 SF1 Block Data from Geography Network
-Joined Block Data with shapefile
-Dropped duplicate fields (State, County, Tract, Block) 
  

REFERENCES:

DATA LINEAGE SUMMARY:

The TAZ data set was created by dissolving the CENBLK data set on the field: DSLV_TAZ.  Population statistics were summarized by TAZ.

MAP PROJECTION PARAMETERS:

PROJECTION ALBERS
DATUM HPGN
UNITS METERS
SPHEROID GRS1980
PARAMETERS
24  0  0.000
31 30  0.000
-84 00  0.000
24  0  0.000
400000.00000
0.00000

DATA SOURCES CONTACT(S):

Name: 		U.S. Department of Commerce
                Bureau of the Census	 
Abbr.name: 		
Address: 	8903 Presidential Parkway, WP I
                Upper Marlboro, Maryland
                20772						
Phone: 		(301) 457-1128	
Fax: 		(301) 457-4710	
Web site: 	
Ftp site:		                 
Email:          tiger@census.gov
Contact Person: 	
         Phone: 	
         Email: 

FGDL CONTACT:

Name:                    Florida Geographic Data Library
Abbr. Name:              FGDL
Address:                 Florida Geographic Data Library
                         431 Architecture
                         PO Box 115706
                         Gainesville, FL  32611-5706
Web site:                http://www.fgdl.org
Contact FGDL:
      Technical Support:                http://www.fgdl.org/fgdlfeed.html
      FGDL Frequently Asked Questions:  http://www.fgdl.org/fgdlfaq.html
      FGDL Mailing Lists:               http://www.fgdl.org/fgdl-l.html
      For FGDL Software:                http://www.fgdl.org/software.html