The September 14 drone attack on Saudi oil fields: North Korea's potential role  NK News Read more https://www.nknews.org/2019/09/the-september-14-drone-attack-on-saudi-oil-fields-north-koreas-potential-role/

Three Forks History: Oil money provided education and escape  Muskogee Daily Phoenix Read more https://www.muskogeephoenix.com/news/three-forks-history-oil-money-provided-education-and-escape/article_e515ec5c-8e53-5ad1-a1c5-8728c6884d01.html