Data.gov is also coordinating with Archive.org and similar efforts to have a more systematic comprehensive archiving approach. More info should be available soo

Data.gov is also coordinating with Archive.org and similar efforts to have a more systematic comprehensive archiving approach. More info should be available soon at http://www.data.gov/developers/harvesting http://www.data.gov/developers/harvesting and https://archive.org/details/data_gov https://archive.org/details/data_gov