Missing Spatial Reference

Discussion created by samuwo2 on Jul 14, 2011
Latest reply on Aug 2, 2011 by bjmiller
Hello anyone and everyone,

I am currently in a HPA/EOHS course at UIC. Our assignment requires us to download Census 2000 TIGER/Line Shapefiles. After downloading and unzipping these shapefiles, I received 4 shapefiles (tgr1700sf1trt.dbf, tgr17097trt00.dbf, tgr17097trt00.shp, and tgr17097trt00.shx). When attempting to add the shapefile "Tgr1709trt00.sph" to the Table of Contents, I received an error.

This error states "the following data sources you added are missing spatial reference information. This data can be drawn on ArcMap, but cannot be projected." What can I do to fix this problem? PLEASE HELP