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V.C. Wald: Wild grizzly
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V.C. Wald: Egeria Spring first thing on a cold morning
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V.C. Wald: Egeria Spring near mid-day
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V.C. Wald: Steel Bridge over the Firehole
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V.C. Wald: Wildflowers, Fairy Falls trail
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V.C. Wald: Steam from Excelsior Geyser
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V.C. Wald: Grand Prismatic Spring early on a cool August day
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V.C. Wald: Up close & personal: Grand Prismatic Spring
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V.C. Wald: The intimate Grand Prismatic
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V.C. Wald: Grand Prismatic Spring crowds
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V.C. Wald: Under the overlook
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V.C. Wald: Fringed gentian along the Fairy Falls trail
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V.C. Wald: The sundial gnomon
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V.C. Wald: Grand Prismatic Spring
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V.C. Wald: Grand Prismatic Spring
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V.C. Wald: Grand Prismatic Spring
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V.C. Wald: Pointing the way to Grand Prismatic Spring
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V.C. Wald: Snags of another mother
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V.C. Wald: Looking up the Firehole
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V.C. Wald: Mare's tails at Terrace Spring
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V.C. Wald: Mare's tails at Terrace Spring
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V.C. Wald: Terrace Spring's bubbling gas vent
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V.C. Wald: Little gas bubbler
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V.C. Wald: Clear waters
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V.C. Wald: Spring GTSANN005
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V.C. Wald: Spring GTSANN005, and Terrace Spring beyond
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V.C. Wald: Spring GTSANN005, and run-off
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V.C. Wald: Fissue with thermal properties
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V.C. Wald: Fissue with thermal properties
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V.C. Wald: Western spotted coralroot, stem and seed pods