Bradbury Brook is a small stream in Central Minnesota in the United States. It is a tributary of the

Rum River The Rum River is a slow, meandering stream that connects Minnesota's Mille Lacs Lake with the Mississippi River. It runs for U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed October 5, ...

, which drains into the

Mississippi Mississippi ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South regions of the United States. It borders Tennessee to the north, Alabama to the east, the Gulf of Mexico to the south, Louisiana to the s ...

. It also the name of an archaeological procurement area (

Smithsonian trinomial A Smithsonian trinomial (formally the Smithsonian Institution Trinomial System, abbreviated SITS) is a unique identifier assigned to archaeological sites in many states in the United States. Trinomials are composed of a one or two digit coding fo ...

: 21ML42) located a few miles south of

Mille Lacs Lake Mille Lacs Lake ( , also called Lake Mille Lacs or Mille Lacs) is a large, shallow lake in the U.S. state of Minnesota. It is located in the counties of Mille Lacs, Aitkin, and Crow Wing, roughly north of the Minneapolis-St. Paul metropol ...

along its namesake. Late

Paleoindian Paleo-Indians were the first peoples who entered and subsequently inhabited the Americas towards the end of the Late Pleistocene period. The prefix ''paleo-'' comes from . The term ''Paleo-Indians'' applies specifically to the lithic period in ...

inhabitants gathered cobbles of

siltstone Siltstone, also known as aleurolite, is a clastic sedimentary rock that is composed mostly of silt. It is a form of mudrock with a low clay mineral content, which can be distinguished from shale by its lack of fissility. Although its permeabil ...

from a streambed or directly from

glacial drift In geology, drift is a name for all sediment (clay, silt, sand, gravel, boulders) transported by a glacier and deposited directly by or from the ice, or by glacial meltwater. Drift is often subdivided into unstratified (unsorted) drift ( glac ...

. A partially intact stone workshop at this site was dated to 7212 +/- 75

BCE Common Era (CE) and Before the Common Era (BCE) are year notations for the Gregorian calendar (and its predecessor, the Julian calendar), the world's most widely used calendar era. Common Era and Before the Common Era are alternatives to the o ...

. The siltstone was used to produce a variety of tools, including a stemmed point, other

bifaces A hand axe (or handaxe or Acheulean hand axe) is a prehistoric stone tool with two faces that is the longest-used tool in human history. It is made from stone, usually flint or chert that has been "reduced" and shaped from a larger piece by kna ...

, keeled scrapers, blades and chipped stone

adze An adze () or adz is an ancient and versatile cutting tool similar to an axe but with the cutting edge perpendicular to the handle rather than parallel. Adzes have been used since the Stone Age. They are used for smoothing or carving wood in ha ...

s. The workshop also contained several fragmented anvilstones and an abundant sample of hammerstones of various sizes. Archaeologists working at the site found more than 125,000 artifacts, including

stone tools Stone tools have been used throughout human history but are most closely associated with prehistoric cultures and in particular those of the Stone Age. Stone tools may be made of either ground stone or knapped stone, the latter fashioned by a c ...

, dating to 7212 BCE, making it the earliest dated excavated site in Minnesota.

References

Archaeological sites in Minnesota Geography of Mille Lacs County, Minnesota Native American history of Minnesota Pre-statehood history of Minnesota Paleo-Indian archaeological sites in the United States {{MilleLacsCountyMN-geo-stub

See also

References