4121 - Mineral formations at Mono Lake, California, USA. 
4121 - Mineral formations at Mono Lake, California, USA.
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4106 - Mineral formation at Mono Lake, California, USA. 
4106 - Mineral formation at Mono Lake, California, USA.
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4105 - Mineral formation at Mono Lake, California, USA. 
4105 - Mineral formation at Mono Lake, California, USA.
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3745 - Rock formations at Joshua Tree national park, California, USA. 
3745 - Rock formations at Joshua Tree national park, California, USA.
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4119 - Rock formations, Joshua Tree National Park, California, USA. 
4119 - Rock formations, Joshua Tree National Park, California, USA.
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4116 - Rock formations, Joshua Tree National Park, California, USA. 
4116 - Rock formations, Joshua Tree National Park, California, USA.
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