3 3/4" L Knife River Flint Agate, North of Casper, WY

3 3/4" L Knife River Flint Agate, North of Casper, WY

3 7/8" x 1 3/4" Agate Blade. Found in Natora CO., WY. North Platte River Near Casper, WY

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.

2 3/8" Uniface Knife. Found in Natora CO., WY. North Platte River Near Casper, WY

3 1/4" Square Knife. Found in Natora CO., WY. North Platte River Near Casper, WY

1 3/4 " High Grade Thumb Scraper. Found in Natora CO., WY. North Platte River Near Casper, WY

3/4" Bird Point. Found in Natora CO., WY. North Platte River Near Casper, WY

3/4" Bird Point. Found in Natora CO., WY. North Platte River Near Casper, WY

3/4" Reed. Found in Natora CO., WY. North Platte River Near Casper, WY

3/4" Reed. Found in Natora CO., WY. North Platte River Near Casper, WY

1 3/4" Micro Drill. Found in Natora CO., WY. North Platte River Near Casper, WY

THIS BEAUTIFUL NATIVE AMERICAN INDIAN ARTIFACT IS 3&3/4 INCHES LONG. IT IS FROM NORTH DAKOTA. MADE OF KNIFE RIVER FLINT. EX- J. DUKE COLLECTION. IT WILL MAKE A GREAT ADDITION TO YOUR COLLECTION!KEY WO

THIS BEAUTIFUL ARTIFACT IS 3 INCHES LONG. IT IS FROM NORTH DAKOTA. MADE OF KNIFE RIVER FLINT. IT WILL MAKE A GREAT ADDITION TO YOUR COLLECTION!

1 3/16" Agate Dart. Found in Natora CO., WY. North Platte River Near Casper, WY

3" Knife River Flint Agate Basin. Motley COA. Found in Iowa. Very Nice Piece of Material.

3 3/4” Knife River Flint Dalton

Lot of 35 Thumb Scrapers Mandan, North Dakota, Agate, Knife River Flint, Jasper

Lot of 35 Thumb Scrapers Mandan, North Dakota, Agate, Knife River Flint, Jasper

3&3/4 INCHES LONG MADE OF KNIFE RIVER FLINT FROM NORTH DAKOTA IT WOULD MAKE A GREAT ADDITION TO YOUR COLLECTION!

1 3/4" Knife River Flint Blade South Dakota

3/4" Knife River Flint Bird Point. South Dakota

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.

3 7/8" Modern Knife River Flint Lancelot. Artist Unknown. Copper Manufacture.

4 3/4” Fluted Covis, Knife River Flint, artist Jeff Gower, Pictured in Masterpieces of Modern Lithic Art Page 127