Morrison Mounds
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Morrison Mounds is a historic site located north of
Battle Lake, Minnesota Battle Lake is a city in Otter Tail County, Minnesota, United States. The population was 857 according to the 2020 census. History Battle Lake was platted in 1881, and named after a nearby lake which commemorates an 18th-century battle between ...
, United States. It consists of 22 Indian
burial mounds A tumulus (plural tumuli) is a mound of earth and stones raised over a grave or graves. Tumuli are also known as barrows, burial mounds or ''kurgans'', and may be found throughout much of the world. A cairn, which is a mound of stones built ...
that were built beginning in 800 B.C. There are 20 conical mounds, one flat-topped mound, and one elongated mound near Otter Tail Lake. This site has the oldest
radiocarbon date Radiocarbon dating (also referred to as carbon dating or carbon-14 dating) is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon. The method was dev ...
for any mound group in the state of
Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over to ...
. However, its construction is similar to other mound groups in the area which suggests they are all from the same social group that built them over a period of time. Similarities include a central burial pit, logs over the burial pit, and the possibility of partial
cremation Cremation is a method of final disposition of a dead body through burning. Cremation may serve as a funeral or post-funeral rite and as an alternative to burial. In some countries, including India and Nepal, cremation on an open-air pyre is ...
on-site. The site was listed on the
National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic ...
in 1973.


References

Mounds in Minnesota Woodland period Native American history of Minnesota Protected areas of Otter Tail County, Minnesota National Register of Historic Places in Otter Tail County, Minnesota Archaeological sites on the National Register of Historic Places in Minnesota {{Minnesota-NRHP-stub