Vehicle barrier under construction on the US-Mexico border, east of San Luis Colorado

(March 20, 2006)

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Border survey monument number 195 east of San Luis Colorado

(March 20, 2006)

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Mountains along Highway 2 on the US border

(March 20, 2006)

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Sonoran desert along Highway 2 on the US-Mexico border

(March 20, 2006)

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The northern part of Pinacate National Park, Highway 2 west of Sonoyta

(March 20, 2006)

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