Lead: A Materials Survey

Voorkant
U.S. Department of the Interior, Bureau of Mines, 1962 - 194 pagina's
 

Inhoudsopgave

Principal brands of lead sold in the United States
134
Selected freight rates from mining districts to U S smelters 193959
138
Average monthly prices of galena concentrates at Joplin Mo
139
Exportable lead surpluses by country 1959
140
Lead production by some large companies of the United States__
145
Ownership location and type of ore of the 25 leading leadproducing mines in the United States in 1959
146
Foreign lead production by some companies
150
Average number of all employees at primary lead smelters and refineries in the United States
167
Mine output of recoverable lead and zinc number of employees average hourly earnings and market prices of lead and zinc in the United States 1939...
168
Number of operations production in 1956 and 1958 and average number of all employees in the United States by principal metal in ores produced a...
169
General statistics for the lead and zinc ores industry in the United States 1958 1954 1939 and 1929
172
Production employment and average output per man at lead and zinc crude ore mines in the United States 18701935
174
Indexes of production employment and recoverable metal in lead and zinc ore and tailings mining and milling in the United States 192649
175
Quantity and value of products principal expenses hourly earnings and manhours per unit of output in the United States by principal regions or State...
176
Productivity index lead and zinc mining based on pounds of recoverable metal per manhour 194749
180
Import duties on lead for the years 1909 1913 1922 and 1930____
186
Rates of duty imposed under the Tariff Act of 1930 in selected years 193054
187

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