"United States" . . "Mexican-American Border Region." . . "Historia natural Estados del Suroeste (Estados Unidos)" . . . . . . . "In this engaging personal narrative, biologist Fred Gehlbach describes the stability and changes of the past century in the Borderlands' climate, landforms, and natural communities and in its distinctive plants and vertebrates." . . . . "Mountain islands and desert seas : a natural history of the U.S.-Mexican borderlands" . . "Mountain islands and desert seas : a natural history of the U.S.-Mexican borderlands"@en . . . . . . . . . "Mountain islands and desert seas a natural history of the U.S.-Mexican borderlands" . . "Mountain islands and desert seas a natural history of the U.S.-Mexican borderlands"@en . . . . . . "U.S.-Mexican borderlands"@en . . . . . "Texas A & M University Press." . . "Estados Unidos" . . "Historia natural México." . . "México" . . "Mexico" . "Historia natural Frontera mexico-estadounidense (Región)" . .