- Quartz Biface
View with Reflectance Transformation Imaging (RTI) Description: Quartz biface (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 103852). - Gray Chert Biface
View with Reflectance Transformation Imaging (RTI) Description: Gray chert biface (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 16032). - Presley Wash Obsidian Biface
Description: Large Presley Wash obsidian biface alternately identified as Clovis, non-Clovis Paleoindian, and Pueblo in origin. Dimensions: 14.9 x 6.4 cm. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Double-pointed Biface
Description: Double-pointed, crudely chipped biface with haft marks. Dimensions: 16.5 x 8.2 cm. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Obsidian Projectile Point or Drill
Description: Triangular obsidian projectile point or drill with straight sides and base. Dimensions: 2.4 x 1.7 x 0.7 cm. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Chert Biface
Description: Chert biface. Dimensions: 8.2 x 3.2 cm. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Obsidian Knife
Description: Obsidian knife. Dimensions: 11.5 x 4.7 cm. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Obsidian Biface
Description: Obsidian biface. Dimensions: 2 1/2 in x 7/8 in. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Jasper Knife
Description: Stone knife made from jasper. Dimensions: 5.1 x 8.3 cm. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Chalcedony Knife
Description: Stone knife made from chalcedony. Dimensions:10.5 x 3.5 cm Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Chalcedony Knife
Description: Flaked chalcedony knife. Dimensions: L 11.5, W 3.8 cm. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Bifacial Knife
Cultural Period: Ancestral Puebloan Description: Bifacial brown chert knife. Dimensions: 3 L x 1 1/4 W (inches). Collection: On display at Navajo National Monument (Catalog No. 229). - Stone Knife
Cultural Period: Ancestral Puebloan Description: Bifacial stone knife. Dimensions: 2 L x 13/16 W (inches). Collection: On display at Navajo National Monument (Catalog No. 233).