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In 2009 the University of Utah Press and the Utah State Historical Society co-published three volumes of long out-of-print journals, letters, and other documents from John Wesley Powell’s expeditions down the Colorado River. We are proud to announce the fourth and final volume. Cleaving an Unknown World collects Powell’s journal (Smithsonian Journal of History, 1968); Jack Hillers’s diary and photographs, previously published as Photographed All the Best Scenery, edited by Don D. Fowler (University of Utah Press, 1972); original maps from Francis Marion Bishop (Utah Historical Quarterly, 1969); Frederick S. Dellenbaugh’s letters (Utah Historical Quarterly, 1969); and John C. Sumner’s journal from the first Powell expedition (Utah Historical Quarterly, 1969). Roy Webb’s foreword provides the context for these disparate pieces.

This beautifully illustrated book features Hillers’s photographs—long regarded as a remarkable and unique record of the Colorado River and the Grand Canyon. Cleaving an Unknown World belongs in the library of any reader interested in the exploration of the American West.
 

Robert Fillmore’s clear, easy-to-read text documents spectacular features of the eastern Colorado Plateau, one of the most interesting and scenic geologic regions in the world. The area covered in detail stretches from the Book Cliffs to the deep canyons of the San Juan River area. The events that shaped this vast region are clearly described and include the most recent interpretations of ongoing geologic forces. The book also includes mile-by-mile road logs with explanations of the various features for most of the scenic roads in the region, including Arches National Park, Canyonlands National Park, and the Natural Bridges area.

As contemporary Native Americans assert the legacy of their ancestors, there is increasing debate among archaeologists over the methods and theories used to reconstruct prehistoric identity and the movement of social groups. This is especially problematic with respect to the emergence of southwestern tribes, which involved shifting populations and identities over the course of more than a thousand years.

Wesley Bernardini now draws on an unconventional source, Hopi traditional knowledge, to show how hypotheses that are developed from oral tradition can stimulate new and productive ways to think about the archaeological record. Focusing on insights that oral tradition has to offer about general processes of prehistoric migration and identity formation, he describes how each Hopi clan acquired its particular identity from the experiences it accumulated on its unique migration pathway. This pattern of “serial migration” by small social groups often saw the formation of villages by clans that briefly came together and then moved off again independently, producing considerable social diversity both within and among villages.

Using Anderson Mesa and Homol’ovi as case studies, Bernardini presents architectural and demographic data suggesting that the fourteenth century occupation of these regions was characterized by population flux and diversity consistent with the serial migration model. He offers an analysis of rock art motifs—focusing on those used as clan symbols—to evaluate the diversity of group identities, then presents a compositional analysis of Jeddito Yellow Ware pottery to evaluate the diversity of these groups’ eventual migration destinations.

Evidence supporting serial migration greatly complicates existing notions of links between ancient and modern social groups, with important implications for the implementation of the Native American Graves Protection and Repatriation Act. Bernardini’s work clearly demonstrates that studies of cultural affiliation must take into account the fluid nature of population movements and identity in the prehistoric landscape. It takes a decisive step toward better understanding the major demographic change that occurred on the Colorado Plateau from 1275 to 1400 and presents a strategy for improving the reconstruction of cultural identity in the past.

It is one of the great mysteries in the archaeology of the Americas: the depopulation of the northern Southwest in the late thirteenth-century AD. Considering the numbers of people affected, the distances moved, the permanence of the departures, the severity of the surrounding conditions, and the human suffering and culture change that accompanied them, the abrupt conclusion to the farming way of life in this region is one of the greatest disruptions in recorded history.

Much new paleoenvironmental data, and a great deal of archaeological survey and excavation, permit the fifteen scientists represented here much greater precision in determining the timing of the depopulation, the number of people affected, and the ways in which northern Pueblo peoples coped—and failed to cope—with the rapidly changing environmental and demographic conditions they encountered throughout the 1200s. In addition, some of the scientists in this volume use models to provide insights into the processes behind the patterns they find, helping to narrow the range of plausible explanations.

What emerges from these investigations is a highly pertinent story of conflict and disruption as a result of climate change, environmental degradation, social rigidity, and conflict. Taken as a whole, these contributions recognize this era as having witnessed a competition between differing social and economic organizations, in which selective migration was considerably hastened by severe climatic, environmental, and social upheaval. Moreover, the chapters show that it is at least as true that emigration led to the collapse of the northern Southwest as it is that collapse led to emigration.

The remote Colorado Plateau and Great Basin portions of the Intermountain West are areas of spectacular natural beauty and diversity. Due to inaccessibility, however, scientific study of many aspects of the region's natural history has lagged.

Natural History of the Colorado Plateau and Great Basin provides an up-to-date summary of the region's geology, climates, and biology, including thorough treatments of the area's insects, fish, and reptiles. Also discussed are the ecology and distribution of prehistoric human cultures in the region; how modern humans have used (and abused) resources in the Intermountain West; and the impact of post-Pleistocene environmental changes on genetics of disjunct populations of conifer trees.

Written by a diverse group of acknowledged experts, Natural History of the Colorado Plateau and Great Basin offers invaluable background information for all students and resource managers who want to work in or visit the Intermountain West.

One of the largest archaeological projects ever undertaken in North America, Peabody Coal Company's Black Mesa Archaeological Project conducted investigations in northeastern Arizona from 1967 to 1983. This mammoth undertaking recognized and recovered the remains of ephemeral camps, early agricultural sites, Puebloan villages, and Navajo settlements stretching over nearly ten millennia of human occupation.

Now a single comprehensive work summarizes the results of this intensive survey, excavation, and analysis. Prehistoric Culture Change on the Colorado Plateau offers the only complete synthesis of Kayenta-area archaeology as well as the single most intensive study of the ancestral Puebloan and Navajo occupation of the Four Corners region. It also provides the human context for more than two decades of theoretical, methodological, and empirical work.

The authors—all associated with the Black Mesa project—synthesize previous analyses of faunal, lithic, ceramic, chronometric, and human osteological data, weaving a coherent and compelling story of the prehistory and ethnohistory of northern Arizona. Through these data, they provide a summary of culture history which emphasizes that organizational variation and other aspects of culture change are largely a response to a changing natural environment.

The volume provides a systematic overview of human occupation on and around Black Mesa through time, beginning with the Paleoindian period, moving through the Archaic and Basketmaker periods, considering the Puebloan dispersion and the magnificent remains of the Pueblo III period, and culminating with Hopi and Navajo perspectives on their history. The authors examine relationships among population density, subsistence strategies, and social organization, and use these data to identify the regional context within which the Black Mesa people may have operated during different time periods.

Broad in scope with a wealth of supporting detail, Prehistoric Culture Change on the Colorado Plateau offers a basic reference on this important project that collects twenty years of analysis into one volume. It is a unique touchstone in Southwest archaeology that will stand as the last word on Black Mesa.

Roughly centered on the Four Corners region of the southwestern United States, the Colorado Plateau covers some 130,000 square miles of sparsely vegetated plateaus, mesas, canyons, arches, and cliffs in Arizona, Utah, Colorado, and New Mexico. With elevations ranging from 3,000 to 14,000 feet, the natural systems found within the plateau are dramatically varied, from desert to alpine conditions.

This book focuses on the integration of science and resource management issues in this unique and highly varied environment. Broken into three subsections, this volume addresses conservation biology, biophysical resources, and inventory and monitoring concerns. The chapters range in content, addressing conservation issues—past, present, and future—on the Colorado Plateau, measurement of human impacts on resources, grazing and wildland-urban interfaces, and tools and methods for monitoring habitats and species.

An informative read for people interested in the conservation and natural history of the region, the book will also serve as a valuable reference for those people engaged in the management of cultural and biological resources of the Colorado Plateau, as well as scientists interested in methods and tools for land and resource management throughout the West.

Roughly centered on the Four Corners region of the southwestern United States, the Colorado Plateau covers some 130,000 square miles of sparsely vegetated plateaus, mesas, canyons, arches, and cliffs in Arizona, Utah, Colorado, and New Mexico. With elevations ranging from 3,000 to 14,000 feet, the natural systems found within the plateau are dramatically varied, from desert to alpine conditions.

This volume, the fifth from the University of Arizona Press and the tenth overall, focuses on adaptation of resource management and conservation to climate change and water scarcity, protecting biodiversity through restructured energy policies, ensuring wildlife habitat connectivity across barriers, building effective conservation networks, and exploring new opportunities for education and leadership in conservation science.

An informative read for people interested in the conservation and natural history of the region, the book will also serve as a valuable reference for those people engaged in the management of cultural and biological resources of the Colorado Plateau, as well as scientists interested in methods and tools for land and resource management throughout the West.

Covering 130,000 square miles and a wide range of elevations from desert to alpine in Arizona, Utah, Colorado, and New Mexico, the Colorado Plateau has long fascinated researchers. The Colorado Plateau VI provides readers with a plethora of updates and insights into land conservation and management questions currently surrounding the region.

The Colorado Plateau VI’s contributors show how new technologies for monitoring, spatial analysis, restoration, and collaboration improve our understanding, management, and conservation of outcomes at the appropriate landscape scale for the Colorado Plateau. The volume’s chapters fall into five major themes: monitoring as a key tool for addressing management challenges, restoration approaches to improving ecosystem condition and function, collaboration and organizational innovations to achieve conservation and management objectives, landscape-scale approaches to understanding, and managing key species and ecological communities.

Focusing on the integration of science into resource management issues over the Colorado Plateau, this volume includes contributions from dozens of leading scholars of the region. The Colorado Plateau VI proves a valuable resource to all interested in the conservation management, natural history, and cultural biological resources of the Colorado Plateau.

Stretching from the four corners of Arizona, New Mexico, Colorado, and Utah, the Colorado Plateau is a natural laboratory for a wide range of studies. This volume presents 23 original articles drawn from more than 100 research projects presented at the Sixth Biennial Conference of Research on the Colorado Plateau. This scientific gathering revolved around research, inventory, and monitoring of lands in the region. The book's contents cover management techniques for cultural, biological, and physical resources, representing collaborative efforts among federal, university, and private sector scientists and land managers. Chapters on cultural concerns cover benchmarks of modern southwestern anthropological knowledge, models of past human activity and impact of modern visitation at newly established national monuments, challenges in implementing the 1964 Wilderness Act, and opportunities for increased federal research on Native American lands. The section on biological resources comprises sixteen chapters, with coverage that ranges from mammalian biogeography to responses of elk at the urban-wildland interface. Additional biological studies include the effects of fire and grazing on vegetation; research on bald eagles at Grand Canyon and tracking wild turkeys using radio collars; and management of palentological resources. Two final chapters on physical resources consider a proposed rerouting of the Rio de Flag River in urban Flagstaff, Arizona, and an examination of past climate patterns over the Plateau, using stream flow records and tree ring data. In light of similarities in habitat and climate across the Colorado Plateau, techniques useful to particular management units have been found to be applicable in many locations. This volume highlights an abundance of research that will prove useful for all of those working in the region, as well as for others seeking comparative studies that integrate research into land management actions.

Traversing six national parks (Arches, Canyonlands, Capitol Reef, Bryce, Grand Canyon, Zion), a national recreation area, a national monument, and various wilderness, primitive, and wilderness study areas, the Hayduke Trail is a challenging, 800-mile backcountry route on the Colorado Plateau. Whimsically named for a character in Edward Abbey’s The Monkey Wrench Gang, the trail begins in Arches National Park and ends in Zion National Park, stays entirely on public land, and traverses the complete variety of terrain available to hikers on the Plateau short of technical climbing.

Joe Mitchell and Mike Coronella pioneered Hayduke after concluding that a long trail—such as the Appalachian or Pacific Crest— was possible on the Plateau, thus introducing more people to these unique and threatened public lands. The Hayduke Trail includes detailed maps of the entire route, suggested cache points, and a wealth of description and tips for tackling this intense undertaking.

Hiking the entire route requires at least three months, though like other long trails it can be broken into smaller segments. The guide, featured in the March 2005 issue of National Geographic Adventure Magazine, is designed for experienced desert trekkers seeking a thorough-hiking experience on a well-tested route.

Driving across I-70 in southern Utah one can’t help but wonder about the magnificent upturned rocks of the San Rafael Reef. With A Travelers Guide to the Geology of the Colorado Plateau in hand, you’ll soon discover that you were driving through Page and Navajo Sandstone formations, sharply folded into a monocline along one of the "Basin and Range" fault lines. Nearing Flagstaff, Arizona, on Highway 89, you will learn that Mt. Humphry of the San Francisco Peaks, a Navajo Sacred Mountain, was once an active volcano. Keep reading and you’ll find many things worth a slight detour.

A Traveler's Guide to the Geology of the Colorado Plateau will enrich and enliven all of your trips through the varied landscapes of the Colorado Plateau as you learn about the geological forces that have shaped its natural features. The mile-by-mile road logs will take you from Vernal, Utah, in the north to the southernmost reaches of the Plateau in Sedona, Arizona; from the red rocks of Cedar Breaks National Monument near Cedar City, Utah, to the edges of the soaring peaks of the San Juan Mountains near Durango, Colorado. The most comprehensive geological guide to the Colorado Plateau