About: http://webisa.webdatacommons.org/152373867

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	Dust might also be a source but as you said the coating would be in a deteriorated state and I was unaware that any paint company ever sold any product advertised as never needing to be maintained especially for 60 years!
http://www.w3.org/ns/prov#wasQuotedFrom	coyoteblog.com