History of Michigan's Upper Peninsula
Early History Of The UP
It is possible the two classes of tools here referred to may mark two distinct eras in the history of this manufacture, and that the moulded tool designates an advance from the primitive method of hammering the metal into shape. Some of the copper heads taken from the “mounds” in Michigan display a wonderful degree [...]
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I cannot but conclude that since the last work was done on those pits several generations of trees have arisen and disappeared. The remains of trees older by hundreds of years than the oldest of our present timber are found in and on the sides of the pits. The present growth of forest covers, unbroken, [...]
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To this will have to be added the number of years which a tree with the durability of the wood of this species takes to reach the stage of decay here exhibited; and some years may also be allowed for the time which may have elapsed before it commenced growing on its peculiar site. So [...]
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ANCIENT MINING AT ISLE ROYALE, LAKE SUPERIOR In the year 1872 some of the most remarkable of the ancient works yet encountered were brought to light by a party of explorers on Isle Royale. Some idea of their extent may be arrived at from the statement of a gentleman well known in mining interests, who [...]
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