A detailed study of onshore and offshore production, reserves, resources, and exploration and exploitation activity of oil and natural gas, including imports, exports, and production of copper, nickel, manganese, and cobalt. -- Additional title page description.

Data on offshore and onshore production, reserves, resources, exploration activity, and imports and exports of oil and natural gas for 1972.

February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.