<https://www.deq.ok.gov/land-protection-division/cleanup-redevelopment/superfund/double-eagle-refinery-superfund-site/#webpage>
<http://schema.org/url>
<https://www.deq.ok.gov/land-protection-division/cleanup-redevelopment/superfund/double-eagle-refinery-superfund-site/>
<https://www.deq.ok.gov/land-protection-division/cleanup-redevelopment/superfund/double-eagle-refinery-superfund-site/>