Note 130 — Chapter XV · LEAD By Frederick B. Hyder
Reading edition
Percentages of World production of recoverable lead content of ores.
[131] Percentages of World smelter production of pig lead.
[132] Percentage of mean of totals used in a and b.
[133] Total recoverable lead content of ore production reported, less lead content of Australian production in forms other than pig lead.
[134] Probably represents ore surplus rather than exports.
[135] Lack of proper balance in these totals shows error or incompleteness, or lack of comparability, due in part to lag in the statistics, which, however, show correctly the general situation.
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