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- Powell's Watch, Back
View with Reflectance Transformation Imaging (RTI) Description: John Wesley Powell's watch: Burts Patent Serial No. 4056/Elgin, Illinois. "B.W. Raymond" Case No. 38590. Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 20836). - Clovis Point
View with Reflectance Transformation Imaging (RTI) Description: The Desert View Clovis point. This projectile point, made of Narbona Pass (formerly Washington Pass) chert, is one of only a few Paleoindian points found in the Grand Canyon. Dimensions: Unknown. Collection: Grand Canyon National Park. - Folsom Point, Alternate View
View with Reflectance Transformation Imaging (RTI) The Little Nankoweap Folsom point, found as an isolate along the Little Colorado River. The material is likely Tolchaco chert. Dimensions: Unknown. Provenience: C:09:0164. Collection: Grand Canyon National Park (Catalog No. GRCA 66204). - 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). - Fire Control Aid Ranger Badge
View with Reflectance Transformation Imaging (RTI) Description: National Park Service Fire Control ranger badge (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 13425). - Rose Spring Projectile Point
View with Reflectance Transformation Imaging (RTI) Description: Rose Spring projectile point, orange/buff chert, with one broken notch (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 13440). - Rosegate Series Point
View with Reflectance Transformation Imaging (RTI) Description: Rosespring Series projectile point from the Kaibab Plateau; made on black and gray mottled chert (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 14476). - Eastgate Point
View with Reflectance Transformation Imaging (RTI) Description: Pink chert Eastgate projectile point (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 14483). - Serrated Gypsum Point
View with Reflectance Transformation Imaging (RTI) Description: Serrated Gypsum point made on black and gray chert (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 15277). - Cottonwood/Bullcreek Point
View with Reflectance Transformation Imaging (RTI) Description: Cottonwood or Bull Creek projectile point from Tusayan Ruin (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 15432). - Elko Series Point
View with Reflectance Transformation Imaging (RTI) Description: Chert Elko Series projectile point (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 15753). - 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). - Ranger Badge
View with Reflectance Transformation Imaging (RTI) Description: National Park Service ranger badge (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 19612). - Ranger Badge
View with Reflectance Transformation Imaging (RTI) Description: National Park Service ranger badge (left: original; right: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 19614). - Uniform Buttons
View with Reflectance Transformation Imaging (RTI) Description: National Park Service ranger uniform buttons (top: original; bottom: enhanced with RTI). Dimensions: Unknown. Collection: Grand Canyon National Park (Catalog No. GRCA 19632 and 13422).