"Frontera mexico-estadounidense (Región)" . . "Región fronteriza mexiconorteamericana." . . "United States" . . . . . . "Cutting for sign"@en . "Cutting for sign" . . . "Explores the 1,951 miles of border between the United States and Mexico." . "Explores the 1,951 miles of border between the United States and Mexico."@en . . . . . . . . . . . . . . . "Galley proofs" . "Manuscripts" . . "Explores the 1,951 miles of border between the United States and Mexico, relating the experiences of ranchers, border patrol officers, smugglers, migrant laborers, and illegal immigrants."@en . "Mexican-American Border Region." . . "Mexico" . . . .