Return to Article Trail of Tears Map A map of routes Native Americans took when forced to relocate in the 1830s. Map of Tribal Territory of the Great Sioux Nation A map depicting the Great Sioux Nation’s former lands (green) and current reservation land (orange). Pre-Contact Distribution of Languages A map depicting the distribution of North American language families before western contact. Map of the Great Sioux Reservation A map of the Great Sioux Reservation (red) and the land lost by the Sioux since 1868 (yellows). Map of the Proposed Dakota Access Pipeline Route A map of the Dakota Access Pipeline route (solid line) and the original pipeline route (dashed line) that was changed due to concerns over drinking water in Bismarck. Return to top