The geological period from 280 million to 310 million years ago; it was characterized by a warm climate and abundance of swampy land.
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"Pennsylvanian" Quotes from Famous Books — The Quaker Colonies - A Chronicle of the Proprietors of the Delaware, Volume 8 - in The Chronicles Of America Series • Sydney G. Fisher — History of the Moravian Church • J. E. Hutton — An Original Belle • E. P. Roe |
Words linked to "Pennsylvanian" : Keystone Stater, Upper Carboniferous period, Carboniferous period, carboniferous, period, Upper Carboniferous, American, geological period, Pennsylvanian period |
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