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Checkerboard Processing
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Attacking ducks
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Highland Park Water Reservoir (Plate II)
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Do not litter! This is your drinking water
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Graffiti Tree
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Conservation efforts at Highland Park
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Lichen personified
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Highland Park hiking
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Brave wanderers
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Walking into the sunset
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The hills are alive, with Pittsburgh houses
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Highland Park Memorial (Plate II)
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Highland Park Memorial (Plate I)
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I only have eyes for you, my dear lichen
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Walk in the woods at Highland Park