The structures of Chaco Canyon, built by native peoples between AD 850 and 1130, are among the most compelling ancient monuments on earth. Recognized as a World Heritage Site, these magnificent ruins are consistently featured in scholarly books and popular media. Yet, like Chaco itself, these buildings are anomalous in Southwestern archaeology and much debated.
In a century of study, our understanding and means of approaching these ruins have grown considerably. Important tree-ring dating, GIS research, and computer imaging point to the need for a new volume on Chaco architecture that unifies older information with the new.
The chapters in this volume focus on Chaco Great Houses and consider three overlapping themes: studies of technology and building types, analyses of architectural change, and readings of the built environment. To aid reconsideration there are over 150 maps, floor plans, elevations, and photos, including a number of color illustrations.
Climate change is today’s news, but it isn’t a new phenomenon. Centuries-long cycles of heating and cooling are well documented for Europe and the North Atlantic. These variations in climate, including the Medieval Warm Period (MWP), AD 900 to 1300, and the early centuries of the Little Ice Age (LIA), AD 1300 to 1600, had a substantial impact on the cultural history of Europe. In this pathfinding volume, William C. Foster marshals extensive evidence that the heating and cooling of the MWP and LIA also occurred in North America and significantly affected the cultural history of Native peoples of the American Southwest, Southern Plains, and Southeast.
Correlating climate change data with studies of archaeological sites across the Southwest, Southern Plains, and Southeast, Foster presents the first comprehensive overview of how Native American societies responded to climate variations over seven centuries. He describes how, as in Europe, the MWP ushered in a cultural renaissance, during which population levels surged and Native peoples substantially intensified agriculture, constructed monumental architecture, and produced sophisticated works of art. Foster follows the rise of three dominant cultural centers—Chaco Canyon in New Mexico, Cahokia on the middle Mississippi River, and Casas Grandes in northwestern Chihuahua, Mexico—that reached population levels comparable to those of London and Paris. Then he shows how the LIA reversed the gains of the MWP as population levels and agricultural production sharply declined; Chaco Canyon, Cahokia, and Casas Grandes collapsed; and dozens of smaller villages also collapsed or became fortresses.
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