LIST OF ILLUSTRATIONS
Figure Page
1. Consumption of Purchased Scrap in the United
States, 1915-1952 and Output of Pig Iron and
Steel, 1915-1962. Data for 1953-1962 Represent
Receipts of Purchased Scrap by Consumers 186
2. United States Production of Refined Copper from
Primary and Secondary Source Materials and
Production from Old Scrap, I9IO-I96O 187
3. Copper in Use, Ip20-ip60 lpU
U. Apparent Consumption by Five-Year Averages of
Iron, I9OO-I96O 196
5. Iron in Use, 1920-1960 197
6. Five-Year Averages of Ferroalloys Apparent
Consumption, I9OO-I96O I99
7. Iron and Ferroalloy Metals in Use, 1920-1960 . 200
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