Upon arriving at the south bank of “El Rio de San Xavier” (Gunnison River, west of modern Delta) on August 28, 1776 the Dominguez Escalante Expedition was a mere sixty miles from the natural ford of “El Rio Tizon” (Colorado River at modern Grand Junction) via a very obvious natural gateway between Grand Mesa and the “Sierra Tabehuachi” (Uncompahgre Plateau), later developed as “The Old Spanish Tra…