About: http://webisa.webdatacommons.org/23660643

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	It was a ???tunnel training pond.??? Sandia developed equipment there such as a rock saw that greatly reduced the time it took to dig a tunnel.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com