"Oil, the Dwindling Treasure"
by Noel Grove, Photographs by Emory Kristof
National Geographic, June, 1974




Caption:

"'THE END OF THE OIL AGE is in sight,' says U.S. petroleum geologist M. King Hubbert.... If present trends continue, Dr. Hubbert estimates, production will peak in 1995 -- the deadline for alternative forms of energy that must replace petroleum in the sharp drop-off that follows."