About: http://webisa.webdatacommons.org/66443758

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	During construction, the joints were sealed with products such as concrete, coal tar, oakum, rubber gaskets, and on occasion, nothing at all.
http://www.w3.org/ns/prov#wasQuotedFrom	hydro-physics.com