http://www.glorecords.blm.gov/
http://www.visionappraisal.com/databases/index.htm
http://www.assessor.org/parcelweb/
http://realestate.yahoo.com/realestate/homevalues
http://homepage.mac.com/researchventures/
http://www.emapsplus.com/default.htm
http://mercury.alamode.com/
http://indorgs.virginia.edu/portico/assessors.html#il