Mineral Resources of the United StatesU.S. Government Printing Office, 1883 |
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Página 32
... inches of coal . 36 inches of coal . .8 feet of coal . .5 feet of coal . Thence to 914 feet , where red sandstone was struck , several minor seams of coal were passed through . The coal is said by those who have seen it to be true ...
... inches of coal . 36 inches of coal . .8 feet of coal . .5 feet of coal . Thence to 914 feet , where red sandstone was struck , several minor seams of coal were passed through . The coal is said by those who have seen it to be true ...
Página 37
... inches ; one , 5 feet 10 inches ; one , 6 feet . They are horizontal or nearly so , and the coal is easily worked . The coal is brought to the surface by mules working a whim , and is sold for $ 3 a ton at the mines . Shipments have ...
... inches ; one , 5 feet 10 inches ; one , 6 feet . They are horizontal or nearly so , and the coal is easily worked . The coal is brought to the surface by mules working a whim , and is sold for $ 3 a ton at the mines . Shipments have ...
Página 38
... inches thick . Analysis gave 80.46 fixed carbon ; 12.66 volatile matter ; ash , 5.11 ; water , 1.77 ; color of ash , light brown . Professor Owen gives an analysis of the coal in the First Geological Report on Arkansas , page 130. It ...
... inches thick . Analysis gave 80.46 fixed carbon ; 12.66 volatile matter ; ash , 5.11 ; water , 1.77 ; color of ash , light brown . Professor Owen gives an analysis of the coal in the First Geological Report on Arkansas , page 130. It ...
Página 51
... inches in thickness , and very firm , with fire- clay bottom and soapstone top . The mines are slopes , and from 4 to 8 tons can be brought up at each trip , or every three or five minutes a half car - load of coal is brought to the ...
... inches in thickness , and very firm , with fire- clay bottom and soapstone top . The mines are slopes , and from 4 to 8 tons can be brought up at each trip , or every three or five minutes a half car - load of coal is brought to the ...
Página 52
... inches thick ; the " main block , " 4 feet 4 inches thick , and " upper block , " 1 foot 10 inches thick . Block coal has a laminated structure , and is composed of alternate thin layers of vitreous dull - black coal and fibrous mineral ...
... inches thick ; the " main block , " 4 feet 4 inches thick , and " upper block , " 1 foot 10 inches thick . Block coal has a laminated structure , and is composed of alternate thin layers of vitreous dull - black coal and fibrous mineral ...
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alloy amount anthracite antimony average barrels beds bituminous coal bullion California carbon Carolina Carroll county cement cents per pound chalcopyrite charge clay coal field Coal Measures cobalt coke color Colorado Company containing copper cost creek crystals cupola deposits district eastern estimated exports extensive feet fire-clay flasks following table fuel furnace galena gems gold Grafton county Gross tons heat hematite important inches industry iron Jersey Lake lead lime limestone Limonite localities Madison county manganese manufacture marl matte metal miles mineral mines Missouri mountain Nevada nickel obtained occurs Ohio output oxide Pacific Pennsylvania phosphate plates present production pyrites quarries quartz quicksilver railroad refining region reported river roasting rock Saint salt San Francisco sandstone seams siliceous silver slag small quantities smelting solution South spelter steel stone sulphate sulphide sulphuric acid supply surface thick tion Total United valley vats vein Virginia West western York zinc
Pasajes populares
Página 785 - Articles the growth, produce, and manufacture of the United States, when returned after having been exported, without having been advanced in value or improved in condition by any process of manufacture or other means...
Página 778 - ... advanced in value or condition by refining or grinding, or by other process of manufacture, and not specially provided for in this act, ten per centum ad valorem.
Página 781 - ... shafting; pressed, sheared, or stamped shapes, not advanced in value or condition by any process or operation subsequent to the process of stamping; hammer molds or swaged steel; gun-barrel molds not in bars; alloys...
Página 782 - Old copper, fit only for remanufacture, clippings from new copper, and all composition metal of which copper is a component material of chief value, not specially provided for in this act, one cent per pound.
Página 781 - ... tools ; all descriptions and shapes of dry sand, loam, or iron-molded steel castings; sheets and plates and...
Página 779 - ... per square foot; above that, and not exceeding twenty-four by thirty inches square, one and one-fourth cents per square foot...
Página 786 - Philosophical and scientific apparatus, instruments and preparations ; statuary, casts of marble, bronze, alabaster, or plaster of Paris ; paintings, drawings, and etchings, specially imported in good faith for the use of any society or institution incorporated or established for religious, philosophical, educational, scientific, or literary purposes, or for encouragement of the fine arts, and not intended for sale.
Página 787 - ... shall be given under such rules and regulations as the Secretary of the Treasury may prescribe, for the payment of lawful duties which may accrue should any of the articles aforesaid be sold...
Página 786 - The same be specially imported, in good faith, for the use -of any society incorporated or established for philosophical, literary or religious purposes, or for the encouragement of the fine arts, or for the use or by the order of any college, academy, school, or seminary of learning in the United States...