About: http://webisa.webdatacommons.org/263851614

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	Trenching implies the use of some sort of scraper or jawed scoop capable of digging into unconsolidated or loosely consolidated surface materials.
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu