About: http://webisa.webdatacommons.org/370809705

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	Roof Ballast During storm events, pea gravel and stone ballast on rooftops can be lifted by high winds and become dangerous projectiles capable of breaking windows, harming people and other damage.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com