About: http://webisa.webdatacommons.org/222752723

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	Land mine components are principally H, C, N, and O, whereas soil is mostly made up of oxides of the third and fourth row of the periodic table.
http://www.w3.org/ns/prov#wasQuotedFrom	aps.org