found: Work cat.: 2004015134: Malville, J.K. Chimney Rock, 2004.
found: Coe, M. Atlas ancient america.:p. 78-79 (Chaco system (Chaco phenomenon)... eventually spread over 53,000 square kilometres of the San Juan drainage. There are 125 known planned towns with public architecture in this network, many connected by prehistoric roads.)
found: Hist. dict. No. Am. archaeo.:p. 84-85 (Chaco Province, an eastern Anasazi culture area covering the entire San Juan Basin as a minimum, but traditionally focused upon Bonito Phase settlements dating ca. AD 900-1140... The Chacoan systems or Chacoan phenomenon... spread over the contiguous provinces, including nine distinct Anasazi phases.)
found: Thomas, D.T. Exploring native ancient America, 1999:p. 93, 100-109 (Chaco culture (Chaco phenomenon defined by large towns, extensive roadways in a regional system and trade network.)
found: Wikipedia, April 30, 2015(The Ancestral Puebloan culture is perhaps best known for the stone and earth dwellings built along cliff walls, particularly during the Pueblo II and Pueblo III eras. The best-preserved examples of the stone dwellings are in National Parks (USA), such as Navajo National Monument, Chaco Culture National Historical Park, Mesa Verde National Park, Canyons of the Ancients National Monument, Aztec Ruins National Monument, Bandelier National Monument, Hovenweep National Monument, and Canyon de Chelly National Monument)
