<https://nma.org/2017/08/30/hecla-mining-company-supplying-u-s-infrastructure-revitalization-push/#webpage>
<http://schema.org/datePublished>
"2017-08-30T16:36:41+00:00"^^<http://schema.org/Date>
<https://nma.org/2017/08/30/hecla-mining-company-supplying-u-s-infrastructure-revitalization-push/>