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DisgrifiadC.W.Cook.jpg
English: C.W. Cook of the Folsum Expedition (1869) to Yellowstone
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Source=Extracted from public domain pdf version of The Discovery of Yellowstone 1870 Nathaniel P. Langford, 1905
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Unknown authorUnknown author
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Public domainPublic domainfalsefalse
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{{Information |Description={{en|1=C.W. Cook of the Folsum Expedition (1869) to Yellowstone}} |Source=Source=Extracted from public domain pdf version of ''The Discovery of Yellowstone 1870'' Nathaniel P. Langford, 1905 |Author=Unknown |Date=1905 |Permissio
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