About: http://webisa.webdatacommons.org/270076133

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	In the 1950s the chemical industry created new pesticides and herbicides, such as chlordane and heptachlor for killing insects and 2,4-D to control sagebrush growth on western U.S. roadsides.
http://www.w3.org/ns/prov#wasQuotedFrom	chemheritage.org