![[Society of Petroleum Engineers Annual Meeting of the American Institute of Mining, Metallurgical, and Petroleum Engineers - Denver, Colorado (1970-02-15)] Annual Meeting of the American Institute of Mining, Metallurgical, and Petroleum Engineers - Logistical and Drilling Considerations Associated with Sulphur Exploration in High Arctic]()
[Society of Petroleum Engineers Annual Meeting of the American Institute of Mining, Metallurgical, and Petroleum Engineers - Denver, Colorado (1970-02-15)] Annual Meeting of the American Institute of Mining, Metallurgical, and Petroleum Engineers - Logistical and Drilling Considerations Associated with Sulphur Exploration in High ArcticMarshall, D.J.B.; Crain, E.R.