Investigation of petroleum resources in relation to the national welfare. Intermediate report of the Special Committee Investigating Petroleum Resources pursuant to S. Res. 36 (extending S. Res. 253. -- 78th Congress) authorizing and directing a special committee of eleven Senators to make a full and complete study and investigation with respect to petroleum resources, and the production and consumption of petroleum and petroleum products, both within and outside the United States, in their relation to our national welfare and security, and to report to the Senate at the earliest practicable date the results of such study and investigation, together with its recommendations for the formulation of a national petroleum policy.