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Carl Koch: P8010099
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Carl Koch: P8020172
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Carl Koch: P8040174
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Carl Koch: P8060202
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Carl Koch: P8150058
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Carl Koch: P8150063
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Carl Koch: Butler's Gartersnake (Thamnophis butleri), albino neonate found in the wild, Milwaukee County, Wisconsin
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Carl Koch: Butler's Gartersnake (Thamnophis butleri), albino neonate found in the wild, Milwaukee County, Wisconsin
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Carl Koch: Butler's Gartersnake (Thamnophis butleri), albino neonate found in the wild, Milwaukee County, Wisconsin
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Carl Koch: Butler's Gartersnake (Thamnophis butleri), adult, Milwaukee County, Wisconsin
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Carl Koch: P8190042
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Carl Koch: P8200060
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Carl Koch: P8200081
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Carl Koch: P8200089
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Carl Koch: P8200093
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Carl Koch: Timber rattlesnake (Crotalus horridus)
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Carl Koch: P8200124
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Carl Koch: P8200125
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Carl Koch: P8230003
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Carl Koch: P8230013
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Carl Koch: P8260040
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Carl Koch: P8260053
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Carl Koch: P8260064
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Carl Koch: P8270003
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Carl Koch: P8290015
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Carl Koch: P8290017
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Carl Koch: P8290019
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Carl Koch: P8310020
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Carl Koch: P8310022
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Carl Koch: P8310028