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john-n: root casts in backshore beach sand
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john-n: merced fm. at fort funston (R)
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john-n: dark organics in muddy sandstone in merced fm.
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john-n: cross-lamination in merced fm.
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john-n: magnetite laminations in backshore sand
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john-n: magnatite laminations in foreshore sand
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john-n: Fossil gastropod shells in progradational barrier comlex
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john-n: Vesicles under desert pavement at Jessup playette
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john-n: Desert pavement at Jessup playette
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john-n: Desert pavement at Jessup playette
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john-n: Mud cracks and desert pavement at Jessup playette
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john-n: Fossils in Laird Fm
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john-n: Basalt / pyroclastic contact
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john-n: Contact close up
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john-n: Dike contact
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john-n: Travertine forming on moss
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john-n: DSCN0725
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john-n: DSCN0720
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john-n: DSCN0709
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john-n: DSCN0701
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john-n: DSCN0710