meaning of appalachian mountains

appalachian mountains meaning in General Dictionary

a mountain range inside east united states of america extending from Quebec on Gulf of Mexico; a historic barrier to very early westward expansion of the United States

Sentence Examples with the word appalachian mountains

Triassic SystemThis system has but limited representation in the eastern part of the United States, being known only east of the Appalachian Mountains in an area which was land throughout most of the Palaeozoic era, hut which was deformed when the eastern mountains were developed at the close of the Palaeozoic. In the troughs formed in its surface during this time of deformation, sediments of great thickness accumulated during the Triassic period.

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