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| | National Park Service History: A Selective Bibliography of Exploration Relating to the United States |
 | | The first account of the Lewis and Clark expedition is Patrick Gass, Journal of the Voyages and Travels of a Corps of Discovery, Printed by Zadock Cramer, for David M'Keehan, Pittsburgh, 1807, repr. |
 | | For the discoveries of present day United States see Samuel Eliot Morrison, The European Discovery of America: The Northern Voyages, Oxford Press, NY, 1971, The Southern Voyages, 1492-1616, NY, Oxford, 1974, and a one-volume version, Samuel Eliot Morison, The Great Explorers: The European Discovery of America, NY,Oxford, 1978, repr. |
 | | A paperback edition with Pike's maps is Elliott Coues, The Expeditions of Zebulon Montygomery Pike, 2 vols., Dover, NY, 1987. |
| www.cr.nps.gov /history/categrs/explr/biblio-g3.htm (2988 words) |
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