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" ... enduring igneous rocks have preserved this range, while an average denudation of not less than one mile in vertical amount reduced all the adjoining region to a baselevel of erosion. "
Appalachia - Seite 205
1892
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Bulletin of the Geological Society of America, Band 6

Geological Society of America - 1895
...mountains, about 25 miles east of Great Falls, having a height of 7,000 feet above the sea or about 3,000 feet above their base, are described by Davis as displaying...therefore similarly testifying of great denudation. The uplift at the beginning of the Tertiary era appears to have raised this portion of the plains to...
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The Popular Science Monthly, Band 39

1891
...These mountains trend slightly west of north, and extend about forty miles with a width of fifteen miles, attaining an elevation of 11,178 feet above...amount was not less than 500 to 1,000 feet. Original epirogenic uplifting of these plains took place at the end of the Cretaceous period, or during the...
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Summarized Proceedings and a Directory of Members, Band 40

American Association for the Advancement of Science - 1892
...Hlghwood mountains, about twenty-five miles east of Great Falls, Montana, having a height of 7.GOO feet above the sea or about 3,500 feet above their...therefore similarly testifying of great denudation. Reviewing this classification of mountain ranges for the purpose of discovering what elements of diversity...
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Proceedings of the American Association for the ..., Band 40,Teil 1891

American Association for the Advancement of Science - 1892
...Highwood mountains, about twenty-five miles east of Great Palls, Montana, having a height of Y,GOO feet above the sea or about 3,500 feet above their...therefore similarly testifying of great denudation. Reviewing this classification of mountain ranges for the purpose of discovering what elements of diversity...
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Bulletin of the Geological Society of America, Band 6

Geological Society of America - 1893
...mountains, about 25 miles east of Great Falls, having a height of 7,liOO feet above the sea or about 3,000 feet above their base, are described by Davis as displaying...therefore similarly testifying of great denudation. The uplift at the Ijeginning of the Tertiary era appears to have raised this portion of the plains...
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The American Geologist, Band 14

Newton Horace Winchell - 1894
...a baselevel of erosion. The Highwood mountains, about 25 miles east of Great Falls, having a hight of 7,600 feet above the sea •or about 3,500 feet...therefore similarly testifying of great denudation. The uplift at the beginning of the Tertiary era appears to have raised this portion of the plains to...
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Bulletin of the Geological Society of America, Band 6

Geological Society of America - 1895
...mountains, about 25 miles east of Great Falls, having a height of 7,(>00 feet above the sea or about 3,000 feet above their base, are described by Davis as displaying...therefore similarly testifying of great denudation. The uplift at the beginning of the Tertiary era appears to have raised this portion of the plains to...
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The Missouri River and Its Utmost Source: Curtailed Narration of Geologic ...

Jacob Vradenberg Brower - 1896 - 150 Seiten
...twenty-five miles east of Great Falls, having a height of 7.000 feet above the sea or alxmt !i,iXN) feet above their base, are described by Davis as displaying...therefore similarly testifying of great denudation. The epeirogenic or continental uplift at the beginning of the Tertiary era appears to have raised this...
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The Missouri River and Its Utmost Source: Curtailed Narration of Geologic ...

Jacob Vradenberg Brower - 1897 - 206 Seiten
...twenty-five miles east of Great Falls, having a height of ~.(\(*> feet above the sea or about .'(,500 feet above their base, are described by Davis as displaying...same structure, and therefore similarly testifying at great denudation. The epeirogenic or continental uplift at the beginning of the Tertiary era appears...
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Summarized Proceedings and a Directory of Members, Band 40

American Association for the Advancement of Science - 1892
...twenty-five miles east of Great Falls. Montana, having a height of 7,600 feet above the sea or about 3,300 feet above their base, are described by Davis as displaying...therefore similarly testifying of great denudation. Reviewing this classification of mountain ranges for the purpose of discovering what elements of diversity...
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