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1كتاب
المساهمون: Ffolliott, Peter F., Rocky Mountain Research Station (Fort Collins, Colo.)
مصطلحات موضوعية: Life zones -- Southwestern States -- Bibliography., Life zones -- Mexico -- Bibliography., Ecology -- Southwestern States -- Bibliography., Ecology -- Mexico, North -- Bibliography., Ecology -- Madrean Archipelago -- Bibliography., Bibliography.
جغرافية الموضوع: Madrean Archipelago -- Bibliography., Southwestern States -- Bibliography., Mexico, North -- Bibliography.