TABLES--continued


15. Rates of Growth in Domestic Copper Ore (Mine
 Recoverable Content) Production by Decade,
 1860-1960 .... .178

16. Rates of Growth in Pig Iron Shipments by Decade,
 1860-1960 . 179

17. Rates of Growth in Steel Ingots and Castings
 Produced, 1871-1960 .. 180

18. Average Annual Rates of Growth Between Decade
 Averages for Copper, Pig Iron, and Steel Ingots
 and Castings, 1861-1960 ... 181

19. Average Annual Rates of Growth of Copper, Iron,
 and Steel Production and Gross National Product,
 1900-1960 . .182

20. Apparent Consumption of Iron and Copper Relative
 to Domestic Production: Selected Years 1900-
 1960. . .. 183

21. Potentially Recoverable Iron Scrap, 1929 and 1960 188

22. Potential Recovery of Obsolete Copper Scrap,
 1960. . .. 189

23. Copper--Apparent Consumption--Additions to Metals
 in Use and Average Annual Addition by Decade,
 1900-1960 .... .. .... .193

24. Iron--Apparent Consumption--Additions to Metals
 in Use and Average Annual Addition by Decade,
 1900-1960 .. .. 195

25. Total Iron and Ferroalloy Metals--Apparent
 Consumption--Additions to Metals in Use and
 Average Annual Addition by Decade, 1900-1960. 198

26. Copper and Iron in Use--Adjusted for 1860-1900
 Production. . .. 201

27. Average Annual Rate of Growth in Iron and Copper
 in Use Relative to Gross National Product,
 1920-1960 and 1900-1960 ... 202


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