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 — Sybil - or the Two Nations • Benjamin Disraeli — The Pioneers • James Fenimore Cooper — The Virginians • William Makepeace Thackeray — Half a Century • Jane Grey Cannon Swisshelm — Half a Rogue • Harold MacGrath |
Words linked to "Pennsylvanian" : Upper Carboniferous period, period, Carboniferous period, Upper Carboniferous, American, geological period, carboniferous, Keystone Stater |
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