FOUR ELEMENTS, THE

Deals with the conversion of the traditional elements of Earth, air, fire and water into manufactured goods. Includes a hydro-electric dam power station in Nevada, an automated coal mine in Virginia, coke and steel furnaces in Pennsylvania, oil fields in Texas, an oil refinery in California, and a plant in Alabama where chemicals and elements are combined to make fabric.

Sources

  1. usgov-av-1974 — title, year, creator, length, color, sound, description