----------------------------Original message---------------------------- Newsgroups: culist.maps-l Path: superior!schwartz From: [log in to unmask] (Saul Schwartz) Subject: Census Block Group Maps? Message-ID: <[log in to unmask]> Sender: [log in to unmask] (News Administrator) Organization: Carleton University X-Newsreader: TIN [version 1.2 PL0] Date: Tue, 1 Nov 1994 16:00:52 GMT Lines: 30 Hi. I wonder if any members of this list know how to get access to maps showing 1990 US Census block group boundaries for specific cities? (Actually I'm pretty sure that someone does!) I'm writing a paper that analyzes the high school academic achievement of individual students, asking the question whether students from areas of "concentrated poverty" do worse in school, net of their individual characteristics. The only (and unsatisfactory) measures of "concentrated poverty" are Census-derived measures such as "median income" or "proportion of household receving AFDC" for block groups. The data I'm using links student addresses to their 1990 Census block group so that the block group information can be added onto the students' academic records. Having done the statistical work (I can't reject the null hypothesis that living in a block group of "concentrated poverty" has no effect on academic achievement), I want to illustrate the source of the common perception that there *is* a relationship. So I want to include a block group map that shows (by shading?) that areas of concentrated poverty are also areas of low achievement. The statistical work in the rest of the paper then shows that this apparent relationship may only be apparent and can't definitively be established. I'm doing this for five cities - Bridgeport, Dayton, Little Rock, Pittsburgh, and Savannah. Thanks in advance, Saul Schwartz [log in to unmask]