Abstract
Archaeological reconnaissance during the summer of 1941 at Canyon de Chelly National Monument disclosed the location of two groups of Navaho hogans built in 1758, 1766, and 1770. The significance of these dwellings lies in the fact that they definitely establish Navaho occupation of the area west of the Chuska Mountains in the middle of the eighteenth century. In addition to the early dates and the architectural details, the sites produced a large series of Navaho painted sherds and several glass trade beads.Canyon de Chelly is located in the approximate center of the Navaho Reservation, on the West side of the Defiance Plateau, in northeastern Arizona. The first group of hogans, the Spider Rock hogans, lay at a distance of 2.7 miles from the Chinle-Defiance road, along the small spur going to the Spider Rock Overlook; the second group was situated further along this by-road at a distance of 3.3 miles from the road.

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