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California Foundation for Agriculture in the Classroom

Curriculum Matrix

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Glidden's Patent Application for Barbed Wire

Life in the American West was reshaped by a series of patents for a simple tool that helped ranchers tame the land: barbed wire. Learn why this tool was important and impactful in the history of the United States as well as in cattle ranching.

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http://www.archives.gov/education/lessons/barbed-wire/index.html

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National Archives

Lessons Associated with this Resource