1 5/16" Knife River Hanna found in North East South Dakota

1 5/16" Knife River Hanna found in North East South Dakota. Ex Marcus Meyer Collection

1 1/8" Sequoyah Arrowhead found in Lincoln Co., South Dakota w/ Keele COA. Finely made point. Ex Marcus Meyer Collection

1" Drill knife river flint, Mandan, Found in South Dakota

1 1/2" High Grade Knife River chert Wachita. Found in South Dakota.

1.1/8" Oxbow, Knife River, Extremely Fine, Found Near Chamberlain South Dakota in the 1950s

1.1/4" Knife River Buffalo Gap, Extremely Thin, Found Near Chamberlain South Dakota in the 1950s

2 1/2" Hanna Knife River Flint. South Dakota

2 1/4" Hanna Knife River Flint South Dakota

2 1/4" Knife River Flint Pencil Drill, found in Morton County North Dakota. Collected by August and Pluma Spiss in the 1950's - August was a school adminstrator in Mandan.

1 15/16" Knife River Flint Folsom Paleo Knife, Motley COA, found in North Dakota

1" Bird Point made of Knife River Flint Found By Fred Kronenburg in Makoti North Dakota (Ward County)

1 1/8" Bird Point made of Knife River Flint Found By Fred Kronenburg in Makoti North Dakota (Ward County)

1 1/2" Knife River Flint Folsom, Rogers COA, Found by Lorn Bowers, EX Marcus Meyer Collection, Mountrail Co. North Dakota, Authentic Native American Artifact, Arrowhead

1 3/8" Bird Point made of Knife River Flint Found By Fred Kronenburg in Makoti North Dakota (Ward County)

1 1/4" Corner Notch Bird Point made of Knife River Flint Found By Fred Kronenburg in Makoti North Dakota (Ward County)

Lot of 3 Thumb Scrapers made of Knife River Flint Found By Fred Kronenburg in Makoti North Dakota (Ward County) Largest piece is 1 1/4"

Lot of 3 Thumb Scrapers made of Knife River Flint Found By Fred Kronenburg in Makoti North Dakota (Ward County) Largest piece is 1 5/8"

1 1/8" Paleo Dart. Eastern South Dakota. Translucent Knife River Flint. Found by Harlan Olson. Bennett COA

Nice Knife River Flint example found near Minot in Ward Co., North Dakota. Translucent with great flaking.

1" Bird Point found in South Dakota, Types include Harrell, Avonlea, Cut bank, Triangle, Washita and a possible Paleo. Materials range from Agate to Knife River and Petrified Wood. Ex Ray Fraser

Found in Pike Co. IL. By Leslie Stolte near Barry. 1 1/16" wide..

1 1/8" Rose Springs Knife, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-

1" Knife River Dart. South Dakota

1" Knife River Flint Reed. South Dakota