Mexico.
Chicago: Rand McNally, 1904. Folding map, approximately 21 x 27.5 inches. Original, wallet-style printed wrappers. Light wear to wraps; a few short separations along fold lines. Light tanning. Uncommon cartographic promotional for this early 20th-century mining company with operations near Cananea and Magdalena in the Northern Mexican state of Sonora..... More