About: http://webisa.webdatacommons.org/277430486

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	On January 28, 1910, the Secretary of War issued notices to three companies including the B & O Railroad Company to alter their bridges across the Calumet River because they obstructed the free navigation of the River.
http://www.w3.org/ns/prov#wasQuotedFrom	openjurist.org