United States National Museum, Smithsonian Institution, United States. Department of the Interior · Washington : Smithsonian Institution Press, [etc.]; for sale by the Supt. of Docs., U.S. Govt Print. Off. · leaf 242
as scarcely to require even summary treatment. For the latter reason, emphasis will be placed not so much upon the importance of these products as indicated by the past or even the present, as upon their potentialities which the course of affairs are bound to bring out, granted a continued supply.… … Fro. 9. — Curve showing the usual decline in oil-field production after the period OF MAXIMUM OUTPUT IS REACHED. AFTER RALPH ARNOLD, TlIE PETROLEUM RESOURCES of the United States, Smithsonian Report for 1916, p. 283. Compare this theo- retical CURVE OF FINAL DECREASE WITH THE PRODUCTION CURVES…
Science
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