This is Ayn Rand in Atlas Shrugged published in 1957 quoted by Daniel Hannan:
A few houses still stood within the skeleton of what had once been an industrial town. Everything that could move, had moved away; but some human beings had remained. The empty structures were vertical rubble; they had been eaten, not by time, but by men: boards torn out at random, missing patches of roofs, holes left in gutted cellars. It looked as if blind hands had seized whatever fitted the need of the moment, with no concept of remaining in existence the next morning. The inhabited houses were scattered at random among the ruins; the smoke of their chimneys was the only movement visible in town. A shell of concrete, which had been a schoolhouse, stood on the outskirts; it looked like a skull, with the empty sockets of glassless windows, with a few strands of hair still clinging to it, in the shape of broken wires.
Beyond the town, on a distant hill, stood the factory of the Twentieth Century Motor Company. Its walls, roof lines and smokestacks looked trim, impregnable like a fortress. It would have seemed intact but for a silver water tank: the water tank was tipped sidewise.
They saw no trace of a road to the factory in the tangled miles of trees and hillsides. They drove to the door of the first house in sight that showed a feeble signal of rising smoke. The door was open. An old woman came shuffling out at the sound of the motor. She was bent and swollen, barefooted, dressed in a garment of flour sacking. She looked at the car without astonishment, without curiosity; it was the blank stare of a being who had lost the capacity to feel anything but exhaustion.
“Can you tell me the way to the factory?” asked Rearden.
The woman did not answer at once; she looked as if she would be unable to speak English. “What factory?” she asked.
Rearden pointed. “That one.”