Question: Basin F was constructed by the United States Army in 1956, to provide for the disposal of contaminated liquid wastes from the chemical manufacturing operations of the Army and its lessee Shell Chemical Company, at which location, that's a United States chemical weapons manufacturing center located in the Denver Metropolitan Area in Commerce City, Colorado?
Sentence (from "Rocky Mountain Arsenal"): The Rocky Mountain Arsenal was a United States chemical weapons manufacturing center located in the Denver Metropolitan Area in Commerce City, Colorado.
Relevant evidence: Yes