Fort Thompson Mounds, Archaeological burial mounds in Crow Creek Reservation, South Dakota.
The Fort Thompson Mounds stretch for six miles along the Missouri River, forming a sequence of burial structures on elevated terraces above the riverbank.
Constructed during the Plains-Woodland period around 800 CE, these mounds contain artifacts including ancient pottery and stone tools from Great Plains cultures.
The burial mounds hold substantial archaeological evidence of Native American practices, reflecting the traditions of indigenous communities in the Great Plains region.
Visitors accessing the National Historic Landmark must follow specific guidelines to preserve the integrity of this protected archaeological site within the Crow Creek Reservation.
Archaeological examinations revealed that one mound dates to 2450 BCE, indicating continuous human presence in this area for nearly 5,000 years.
Location: South Dakota
GPS coordinates: 44.03063,-99.37657
Latest update: March 10, 2025 15:57
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