
This is a copy of a Spanish map showing the route of the Dominguez-Escalante party through the American Southwest in 1776, the area later surveyed by the Herbert Gregory expeditions in the early 20th centuries.
This is a copy of a Spanish map showing the route of the Dominguez-Escalante party through the American Southwest in 1776, the area later surveyed by the Herbert Gregory expeditions in the early 20th centuries.