Minerals YearbookThe Bureau, 1973 - Mineral industries |
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Page 4
... major mineral categories except crude nonmetallics and crude and scrap metals . Imports of mineral energy resources climbed 21 percent , led by a more than 30 - percent increase in petroleum prod- ucts imported . Chemical imports ...
... major mineral categories except crude nonmetallics and crude and scrap metals . Imports of mineral energy resources climbed 21 percent , led by a more than 30 - percent increase in petroleum prod- ucts imported . Chemical imports ...
Page 14
... major subjects of research . Health and Safety . - Major efforts have been directed by the Bureau towards im- proving and securing the health and safety of miners . Continued trials have established the usefulness of infrared scanners ...
... major subjects of research . Health and Safety . - Major efforts have been directed by the Bureau towards im- proving and securing the health and safety of miners . Continued trials have established the usefulness of infrared scanners ...
Page 15
... major source of industrial - type accidents . A very complete survey of underground power dis- tribution systems has been completed with a statistical analysis of electrical accidents and a discussion of the causes of such acci- dents ...
... major source of industrial - type accidents . A very complete survey of underground power dis- tribution systems has been completed with a statistical analysis of electrical accidents and a discussion of the causes of such acci- dents ...
Page 16
... Major mineral stockpile items sold during the year with a sales value of at least $ 5 million each included bauxite , copper , fluorspar , manganese ( met- allurgical ) , nickel , tin , and tungsten . World Economy . - The 1971 world ...
... Major mineral stockpile items sold during the year with a sales value of at least $ 5 million each included bauxite , copper , fluorspar , manganese ( met- allurgical ) , nickel , tin , and tungsten . World Economy . - The 1971 world ...
Page 24
... major consuming sectors : 3 Household and commercial " . Transportation . Electric generation , utilities . 4.042.0 102.7 3,850.0 97.8 2,309.0 58.6 1,842.0 46.8 ( 7 ) ( 7 ) ( 7 ) ( 7 ) 1,897.0 48.2 1,646.0 41.8 8,248.0 209.5 7,338.0 ...
... major consuming sectors : 3 Household and commercial " . Transportation . Electric generation , utilities . 4.042.0 102.7 3,850.0 97.8 2,309.0 58.6 1,842.0 46.8 ( 7 ) ( 7 ) ( 7 ) ( 7 ) 1,897.0 48.2 1,646.0 41.8 8,248.0 209.5 7,338.0 ...
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add to totals alloys alumina aluminum antimony average avoid disclosing individual barite bauxite bituminous bituminous coal Bureau of Mines Canada carbon cement cent Chemical chromite clay coal coke Colorado company confidential data concentrates consumed copper Corp countries creased crude oil declined decreased disclosing individual company District domestic estimated exports feldspar ferroalloys ferrochromium fluorspar furnace gasoline Germany gold grade gypsum imports for consumption Includes increased independent rounding individual company confidential industry iron and steel Japan lead lignite long tons magnesium manganese material ment metal Mexico mica mill million barrels million cubic feet million tons mineral molybdenum natural gas liquids nickel nonmetal North Dakota Ohio operations ounces output oxide Pennsylvania percent petroleum plant pounds production refined refineries reported Republic scrap shipments smelter sold stocks Table tantalum Texas thousand short tons tion tons Value totals shown United Kingdom Utah Value thousands Withheld to avoid yearend zinc