McElmo Phase refers to a period in the late 11th and early 12th centuries, when drastic changes in ceramics and masonry techniques in Chaco Canyon appeared, archeologists initially suggested that the McElmo influence was brought to Chaco Canyon by immigrants from which site located in Montezuma County, Colorado, it protects some of the best preserved Ancestral Puebloan archaeological sites in the United States?
Mesa Verde National Park Mesa Verde National Park is a National Park and World Heritage Site located in Montezuma County, Colorado. It protects some of the best preserved Ancestral Puebloan archaeological sites in the United States.
Great North Road (Ancestral Puebloans) The Great North Road is an Ancestral Puebloan road that stretches from Pueblo Alto, in Chaco Canyon, New Mexico, to Kutz Canyon in the northern portion of the San Juan Basin. It is thought to follow Kutz Canyon to the San Juan River and Salmon Ruins. Several archeological sites along the road are thought to have been ancient way stations, including Halfway House Outlier, Pierre's Outlier, and Twin Angels Outlier. The Great North Road is one of the best studied Chacoan roads, and includes four parallel roads along some segments, as well as low masonry features thought to be curbs. Herraduras are often found along segments of the road system.