About: http://webisa.webdatacommons.org/28039990

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	Average traverse speeds will likely be about 100 feet per hour, based on variables including power levels, terrain difficulty, slippage, and visibility.
http://www.w3.org/ns/prov#wasQuotedFrom	rockhounds.com