About: http://webisa.webdatacommons.org/363447369

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Payroll taxes paid by railroad employers and their employees are a primary source of income for the Railroad Retirement and Survivor Benefit Program.
http://www.w3.org/ns/prov#wasQuotedFrom	treas.gov