About: http://webisa.webdatacommons.org/395828151

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	The first chert zone, which occurs at the top of the Kimmswick, is variable in physical characteristics and, due to erosion, is not present except in the deeper part of the North Kansas basin.
http://www.w3.org/ns/prov#wasQuotedFrom	ku.edu