Hi,
We've just released the first (beta) version of our US Census Grids. The
data are available -- no charge -- from:
http://beta.sedac.ciesin.columbia.edu/usgrid/
The full announcement is included below. If you have comments or
questions about the data please drop a line so we can make a better
final version.
We plan to have some map services based on these data available for
perusal/mashups this summer; if you are going to Where 2.0 watch for a
preview of them there!
cheers,
Greg
Beta Release of New Raster Datasets by CIESIN/SEDAC
May 31, 2006
The U.S. Census Grids, 2000 (currently in beta release) provide raster
data sets that include not only population and housing counts, but a
wide range of socioeconomic characteristics. Produced by CIESIN's
Socioeconomic Data and Applications Center (SEDAC), these gridded data
sets transform irregularly shaped census block and block group
boundaries into a regular surface—a raster grid—for faster and easier
analysis. Data sets are currently available for the year 2000; those for
1990 will be released in the near future.
See: http://beta.sedac.ciesin.columbia.edu/usgrid/
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Gregory Yetman
Center for International Earth Science Information Network (CIESIN)
Columbia University
URL: http://www.ciesin.columbia.edu/
e-mail: gyetman (at) ciesin.columbia.edu
tel: (845) 365-8982
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