id	domain	url
asop-1848	www.iowadatacenter.org	www.iowadatacenter.org/publications/api2020.pdf)
asop-1848	www.iowadatacenter.org	http://www.iowadatacenter.org/publications/api2020.pdf
asop-1848	data.census.gov	http://data.census.gov/cedsci/map?q=american%20community%20survey&tid=asmarea2017.am1831basic01&mode=select
asop-1848	data.census.gov	http://data.census.gov/cedsci/map?q=american%20community%20survey&tid=asmarea2017.am1831basic01&mode=select
asop-1848	data.census.gov	http://data.census.gov/cedsci/map?q=american%20community%20survey&tid=asmarea2017.am1831basic01&mode=select
asop-1848	www.nytimes.com	http://www.nytimes.com/2014/08/16/upshot/mapping-migration-in-the-united-states-since-1900.html
asop-1848	www.nytimes.com	http://www.nytimes.com/2014/08/16/upshot/mapping-migration-in-the-united-states-since-1900.html
asop-1848	www.nytimes.com	http://www.nytimes.com/2014/08/16/upshot/mapping-migration-in-the-united-states-since-1900.html