1 7/16" Columbia Plateau

Nice mottled gray chert example from WA/OR.

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Motley COA, ID

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau Point, Columbia River Valley, Oregon, Ex Charlie Hall, Jim Bennett, Gem Grade Arrowhead, Native American Artifact

Nice example in Petrified wood!

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau Point, Agatized Wood, Deschutes River, Oregon, Ex Dewey Schmid, Gem Grade Arrowhead, Native American Artifact

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

Jasper example from Central Washington.

Black dacite example from Eastern Oregon.

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

Nice clear agate example from Oregon.

Obsidian example from Northeastern Oregon.