Knife River flint, a dark-brown glassy quartz material, was used extensively by Native American Indian Villagers in the manufacture of chipped stone tools. The largest concentrations of this North American material are found in Dunn and Mercer Counties of western North Dakota, United States.
Knife River flint, a dark-brown glassy quartz material, was used extensively by Native American Indian Villagers in the manufacture of chipped stone tools. The largest concentrations of this North American material are found in Dunn and Mercer Counties of western North Dakota, United States.