Heavy metals from decades of mining have contaminated soils and water inside that area, and the EPA wants to see how much has been washed downstream.
(Heavy metals from decades of mining; have contaminated; soils and water inside that area) (the EPA; wants; to see how much has been washed downstream) Context(the EPA wants,List([92, 105))):(the EPA; wants to see; how much has been washed downstream)
the EPA wants,List([92, 105))
Heavy metals from decades of mining the EPA the EPA
have contaminated wants wants to see
soils and water inside that area
to see how much has been washed downstream
how much has been washed downstream