Born-Digital or AnalogAnalogTranscriptChaco canyon national monument. New Mexico Mysterious chaco - key to future cities. New Mexico 1970 Anasazi Indians' ;measurement system as shown in canyon ruins. Kiva v 1973 p.27-42 James Morgan's theory that the settlements were astronomical ohservatories and Eclipse forecasters. Post. Empire Mr 24, 1974 p.10-1.3 Discovery of extensive prehistoric road network. Post Empire My 169 1976 p.10-14,18, 18CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Chaco canyon national monument. New Mexico, [151492]. Denver Public Library Digital Collections, accessed 11/12/2025, https://digital.denverlibrary.org/nodes/view/1218600
