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The World as known shortly before the sailing of Columbus

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The World as known shortly before the sailing of Columbus.jpg Limits of ice age glaciersThumbnailsPhysiographic provinces of IllinoisLimits of ice age glaciersThumbnailsPhysiographic provinces of IllinoisLimits of ice age glaciersThumbnailsPhysiographic provinces of IllinoisLimits of ice age glaciersThumbnailsPhysiographic provinces of IllinoisLimits of ice age glaciersThumbnailsPhysiographic provinces of IllinoisLimits of ice age glaciersThumbnailsPhysiographic provinces of IllinoisLimits of ice age glaciersThumbnailsPhysiographic provinces of Illinois

The World as known shortly before the sailing of Columbus