api.census.gov/data/2012/cfsarea?get=NAME&for=state:01&key=YOUR_KEY_GOES_HERE
api.census.gov/data/2012/cfsexport?get=NAME&for=state:01&key=YOUR_KEY_GOES_HERE
api.census.gov/data/2012/cfshazmat?get=NAME&for=state:01&key=YOUR_KEY_GOES_HERE
api.census.gov/data/2012/cfsprelim?get=NAME&for=us:*&key=YOUR_KEY_GOES_HERE