# GRASS Help System

U.S. Bureau of the Census

## (USBC)

USBC: Political/census boundaries, streets, names

Data Source:

U.S. Bureau of the Census
Geography Division
Attn: Fred Broome
Washington, D.C. 20233

Data Format:

## GBF/DIME:

Vector - latitude/longitude, or
state plane-referenced polygons, lines, & points.

## TIGER:

Vector - UTM referenced polygons, lines, & points.

Scale:

Mostly 1:24,000

Data Coverage:

278 Standard Metropolitan Statistical Areas (SMSAs)

Data Description:

GBF/DIME - Political boundaries, streets, street names/address,
zip codes, census divisions, railroads, and streams.

TIGER - USGS DLG data supplemented with GBF/DIME information.
This data is not due for release until 1990.

Media:

GBF/DIME - 1600 or 6250 bpi tapes

TIGER - proposed 6250 bpi tapes, CD packs

Aquisition Costs:

Prices vary according to size of SMSA file, which can range
from 3,000 to 226,000 records. Contact Customer Service
for prices in your area of interest.

TIGER - Prices not yet set

Comments:

Customer Service: (301) 763-4100

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Automatically created on: Fri Oct 20 10:09:59 2006