 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 - Page 431by Horace Hollister - 1885 - 549 pagesFull view - About this book
 | John Wells Foster, Josiah Dwight Whitney - Copper mines and mining - 1850 - 258 pages
...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,... | |
 | John Wells Foster, Josiah Dwight Whitney - Copper mines and mining - 1850 - 262 pages
...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,... | |
 | Geology - 1854 - 414 pages
...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... | |
 | John H. Pitezel - Indians of North America - 1857 - 448 pages
...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... | |
 | English literature - 1863 - 634 pages
...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... | |
 | 1863 - 568 pages
...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... | |
 | John Wells Foster - History - 1869 - 480 pages
...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... | |
 | Charles Lanman - History - 1871 - 576 pages
...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... | |
 | Charles Lanman - History - 1871 - 570 pages
...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... | |
 | Geological and Natural History Survey of Minnesota - Animals - 1893 - 742 pages
...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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