The Borderlands is the region of early Hispanic settlers that had the largest Hispanic population in 1821 and continues to be an important concentration of Mexicans.
The region falls between the continental margin of southern California and northern Baja California and consists of offshore basins and ridges are exposed as islands.
Hence, this is the the region of early Hispanic settlers that had the largest Hispanic population in 1821 and continues to be an important concentration of Mexicans.
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