1 3/8" Knife River Flint Plains Side Notched Found on

1 3/8" Knife River Flint Plains Side Notched Found on the Boley Site in Morton Co., ND by Curtis Hintz

2 3/8" Knife River Flint Side Knife found in Morton County North Dakota. Collected by August and Pluma Spiss in the 1950's - August was a school adminstrator in Mandan.

1 1/4" Knife River Flint Plain side notch. South Dakota

1 1/16" Knife River Flint Plains Triangular Found on the Boley Site in Morton Co., ND by Curtis Hintz

3 1/4" Knife River Flint Side Knife Found on the Boley Site in Morton Co., ND by Curtis Hintz

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

1 3/8" High Plains Cody Complex - Scottsbluff found in Cherry County, Nebraska w/ Rogers COA. Appears to be patinated knife river. Comes with a Dwain Rogers COA. Ex Ray Arnett and Marcus Meyer Collect

3/8" Plains Side Notched found in Sully County South Dakota, Ex. Ernie Spaid Collection, Authentic Native American Artifact Arrowhead.

1" Plains Side Notched found in Sully County South Dakota, Ex. Ernie Spaid Collection, Authentic Native American Artifact Arrowhead.

1" Plains Side Notched found in Sully County South Dakota, Ex. Ernie Spaid Collection, Authentic Native American Artifact Arrowhead.

2 7/8" Knife River Flint Side Knife Found on the Boley Site in Morton Co., ND by Curtis Hintz

1 3/8" Bassant. Knife River Flint. South Dakota

3 3/8" Knife River Flint Blade found in Wisconsin EX. Sam Wasion Collection Authentic Native American Artifact

1 1/4" Plains Side Notched found in Sully County South Dakota, Ex. Ernie Spaid Collection, Authentic Native American Artifact Arrowhead.

2 3/4" Knife River Flint Side Knife found in Morton County North Dakota. Collected by August and Pluma Spiss in the 1950's - August was a school adminstrator in Mandan.

1 1/4" Plains Side Notched found in Sully County South Dakota, Ex. Ernie Spaid Collection, Authentic Native American Artifact Arrowhead.

1 3/8" Snaketown Side Notched Found in Colorado. Arrowheads, Prehistoric, Ancient, Authentic Native American Artifacts

1/2" Plains Side Notched, found in Sully County South Dakota, Ex. Ernie Spaid Collection, Authentic Native American Artifact Arrowhead.

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

3 1/4" Knife River Flint Blade found in Wisconsin

1 1/2" Knife River Flint Pelican Lake Found on the Boley Site in Morton Co., ND by Curtis Hintz

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