Detail view of a map made in 1685 and 1686 by Jean-Baptiste Louis Franquelin. Lake Mille Lacs (at center left) is labelled as "Lac des Sioux" (Lake of the Sioux), suggesting that the area was known as a home for Dakota people as early as the seventeenth century.
Detail view of a copy of a map made in 1688 by Jean-Baptiste Louis Franquelin. Text surrounding Lake Mille Lacs (at center left, labelled here as Lac de Buade) identifies the area as inhabited by the "Issatis," or Santee Dakota. The map provides some of the earliest extant textual evidence of a Dakota community at Lake Mille Lacs.