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.
Andrews Outlier Andrews Outlier is an Ancestral Puebloan archeological site located in the Red Mesa Valley in the southern portion of the San Juan Basin, approximately 50 miles south of Chaco Canyon, New Mexico, United States. The site is notable for its three great kivas and thirty small house structures. The area has not been excavated, but the visible architecture indicates that the primary purpose of the buildings was community rituals. Andrews Outlier was occupied from around 900 to 1100 CE. The site is owned by The Archaeological Conservancy and administered by the US Bureau of Land Management.