About: http://webisa.webdatacommons.org/180802256

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	They are red to reddish-brown in color, except for the shale, which is dark gray to black.
http://www.w3.org/ns/prov#wasQuotedFrom	wesleyan.edu