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USFWS Pacific Southwest Region: Columbia Spotted Frog
USFWS Pacific Southwest Region: Cloumbia Spotted Frog with egg clutch
USFWS Pacific Southwest Region: Columbia Spotted Frog
USFWS Pacific Southwest Region: Columbia Spotted Frog
USFWS Pacific Southwest Region: Columbia Spotted Frogs
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USFWS Pacific Southwest Region: Service biologist Chad Mellison holds Columbia spotted frog
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USFWS Pacific Southwest Region: Columbia spotted frog in Nevada