About: http://webisa.webdatacommons.org/5912519

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	Another trail user's hand out and down, or waving up and down, is a warning to others to slow down or stop; there may be a trail hazard or an injured person or animal ahead.
http://www.w3.org/ns/prov#wasQuotedFrom	parkpatrol.org