<http://webisa.webdatacommons.org/prov/390147125>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/87668799> .
<http://webisa.webdatacommons.org/87668799>	<http://www.w3.org/ns/prov#value>	"Mann's speculation is that various lost tribes and peoples mostly from Europe built the mounds thousands of years ago and then mysteriously disappeared.http://libpub.dispatch.com/cgi-bin/documentv1?DBLIST=cd02&DOCNUM=52188&TERMV" .
<http://webisa.webdatacommons.org/87668799>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<historynewsnetwork.org> .
<http://webisa.webdatacommons.org/87668799>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .