About: http://webisa.webdatacommons.org/276979048

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	This includes persons mining limestone, building stone, rock, gravel, sand, volcanic ash, shale, clay, gypsum, salt, sandstone, silt, caliche, silica, and other industrial materials or minerals.
http://www.w3.org/ns/prov#wasQuotedFrom	ks.gov