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M. Houchins: Tucson Cactus
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M. Houchins: Sabino Canyon
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M. Houchins: Harris Hawk, Tucson AZ
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M. Houchins: Harris Hawk, Tucson AZ
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M. Houchins: Hills outside Kartchner Caverns, AZ
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M. Houchins: Mt. Lemmon, AZ