About: http://webisa.webdatacommons.org/296434223

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	More likely, the highwall is irregular with some portions that are undercut and other areas where overhangs exists.
http://www.w3.org/ns/prov#wasQuotedFrom	msha.gov