here's a map of the west side area where we are searching (with street names):
http://www.okcancel.org/photo/westsidemap.gif

here are maps of the names of the neighborhoods in chicago:
http://en.wikipedia.org/wiki/Chicago_neighborhoods#West_and_Near_West_side
http://en.wikipedia.org/wiki/Community_areas_of_Chicago
http://www.wildonions.org/NeighborhoodsMap.htm

here's how to find the alderman/woman by clicking on a map:
http://chicityclerk.com/citycouncil/alderman/find.html