R. Gwinn Vivian was curator emeritus at the Arizona State Museum in Tucson. His extensive works on Chaco Canyon include The Chacoan Prehistory of the San Juan Basin; Wooden Ritual Artifacts from Chaco Canyon, New Mexico; and TheChaco Handbook: An Encyclopedic Guide. Samantha G. Fladd is assistant professor of anthropology and director of the Museum of Anthropology at Washington State University. Her work has appeared in several edited collections, including The Continuous Path: Pueblo Movement and the Archaeology of Becoming, and Birds of the Sun: Macaws and People in the U.S. Southwest and Mexican Northwest.

“This volume on Chacoan water control systems documents unpublished research by Gordon Vivian, followed by that of Gwinn Vivian and associates, and is updated by more recent projects carried out by numerous colleagues. It is a significant contribution that will aid our understanding of the complexity of Ancestral Puebloan social organization through time.”—Frances Joan Mathien, University of New Mexico and volunteer, Chaco Culture National Historical Park

R. Gwinn Vivian was curator emeritus at the Arizona State Museum in Tucson. His extensive works on Chaco Canyon include The Chacoan Prehistory of the San Juan Basin; Wooden Ritual Artifacts from Chaco Canyon, New Mexico; and TheChaco Handbook: An Encyclopedic Guide. Samantha G. Fladd is assistant professor of anthropology and director of the Museum of Anthropology at Washington State University. Her work has appeared in several edited collections, including The Continuous Path: Pueblo Movement and the Archaeology of Becoming, and Birds of the Sun: Macaws and People in the U.S. Southwest and Mexican Northwest.

“This volume on Chacoan water control systems documents unpublished research by Gordon Vivian, followed by that of Gwinn Vivian and associates, and is updated by more recent projects carried out by numerous colleagues. It is a significant contribution that will aid our understanding of the complexity of Ancestral Puebloan social organization through time.”—Frances Joan Mathien, University of New Mexico and volunteer, Chaco Culture National Historical Park

R. Gwinn Vivian was curator emeritus at the Arizona State Museum in Tucson. His extensive works on Chaco Canyon include The Chacoan Prehistory of the San Juan Basin; Wooden Ritual Artifacts from Chaco Canyon, New Mexico; and TheChaco Handbook: An Encyclopedic Guide. Samantha G. Fladd is assistant professor of anthropology and director of the Museum of Anthropology at Washington State University. Her work has appeared in several edited collections, including The Continuous Path: Pueblo Movement and the Archaeology of Becoming, and Birds of the Sun: Macaws and People in the U.S. Southwest and Mexican Northwest.

“This volume on Chacoan water control systems documents unpublished research by Gordon Vivian, followed by that of Gwinn Vivian and associates, and is updated by more recent projects carried out by numerous colleagues. It is a significant contribution that will aid our understanding of the complexity of Ancestral Puebloan social organization through time.”—Frances Joan Mathien, University of New Mexico and volunteer, Chaco Culture National Historical Park