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" When he had penetrated to the depth of eighteen feet, he came to a mass of native copper ten feet long, three feet wide, and nearly two feet thick, and weighing over six tons. On digging around it the mass was found to rest on billets of oak supported... "
History of the Lackawanna Valley - Halaman 431
oleh Horace Hollister - 1885 - 549 halaman
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Report on the Geology and Topography of a Portion of the Lake Superior Land ...

John Wells Foster, Josiah Dwight Whitney - 1850 - 258 halaman
...a matted mass of mouldering vegetable matter. When he had penetrated to the depth of eighteen feet, he came to a mass of native copper ten feet long,...of oak, supported by sleepers of the same material. This wood, specimens of which we have preserved, by its long exposure to moisture, is dark-colored,...
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Report on the Geology and Topography of a Portion of the Lake Superior Land ...

John Wells Foster, Josiah Dwight Whitney - 1850 - 262 halaman
...a matted mass of mouldering vegetable matter. When he had penetrated to the depth of eighteen feet, he came to a mass of native copper ten feet long,...thick, and weighing over six tons. On digging around it îfte mass was found to rest on billets of oak, supported by sleepers of the same material. This wood,...
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The Edinburgh New Philosophical Journal: Exhibiting a View of the ..., Volume 57

1854 - 414 halaman
...came to a mass of Rheiur, ten feet long, three feet wide, and nearly two feet thick, aft* in thier six tons. On digging around it the mass was found to rest on with ik supported by sleepers of the same material. The ancient rocksevidently raised it about five...
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Lights and Shades of Missionary Life: Containing Travels, Sketches ...

John H. Pitezel - 1857 - 448 halaman
...a matted mass of moldering vegetable matter. When he had penetrated to the depth of eighteen feet, he came to a mass of native copper, ten feet long,...wide, and nearly two feet thick, and weighing over six tuns. On digging around it the mass was found to rest on billets of oak, supported by sleepers of the...
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The North British Review, Volume 39

1863 - 634 halaman
...excavations, in the neighbourhood of the Minnesota Mine, a detached mass of native copper—measuring ten feet long, three feet wide, and nearly two feet thick, and weighing upwards of six tons—was found resting on an artificial cradle of black oak. The oaken frame had been...
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The Eclectic Magazine of Foreign Literature, Science, and Art, Volume 60

1863 - 568 halaman
...excavations, in the neighborhood of the Minnesota Mine, a detached mass of native copper — measuring ten feet long, three feet wide, and nearly two feet thick, and weighing upward of six tons — was found resting on an artificial cradle of black oak. The oaken frame had...
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The Mississippi Valley: Its Physical Geography, Including Sketches of the ...

John Wells Foster - 1869 - 480 halaman
...workmen in re-excavating one of these ancient pits, at the depth of eighteen feet, came upon a mass of copper ten feet long, three feet wide, and nearly two feet thick, and weighing not far from two tons, which the ancient miners, after having raised about five feet, and propped with...
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The Red Book of Michigan: A Civil, Military and Biographical History

Charles Lanman - 1871 - 576 halaman
...feet he came to a mass of native copper, ten feet long, three feet wide, and nearly two feet thick, weighing over six tons. On digging around it the mass...billets of oak, supported by sleepers of the same wood. The ancient miners had evidently raised the mass about five feet, and then abandoned it as too...
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The Red Book of Michigan: A Civil, Military and Biographical History

Charles Lanman - 1871 - 570 halaman
...with clay and a mass of decayed vegetable matter. When he had penetrated to the depth of eighteen feet he came to a mass of native copper, ten feet long, three feet wide, and nearly two feet thick, weighing over six tons. On digging around it the mass was found to rest on billets of oak, supported...
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Annual Report - Geological and Natural History Survey of Minnesota, Volume 21-23

Geological and Natural History Survey of Minnesota - 1893 - 742 halaman
...a matted mass of mouldering vegetable matter. When he had penetrated to the depth of eighteen feet, he came to a mass of native copper ten feet long,...of oak supported by sleepers of the same material. This wood, specimens of which we have preserved, by its long exposure to moisture, is dark-colored...
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