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A common issue for archaeologists who study intermediate-scale societies is defining scale and complexity of occupations across entire villages or towns. This can be a major problem since an understanding of site-wide inter-household occupation patterns can be crucial for accurate reconstruction of village demographics and socio-economic organization. In this paper we present new research at the Bridge River site, a large complex hunter-gatherer village in British Columbia, designed to develop a site-wide history of household occupation patterns. We accomplish this through broad-scale geophysical investigations, test excavations and an extensive program of radiocarbon dating. Results of the study suggest that the village grew rapidly between ca. 1800 and 1250 cal. B.P. expanding from 7 to at least 29 simultaneously occupied houses. Variability in household spacing and size indicate that social organization may have grown increasingly complex parallel with rising numbers of households.

S ocial inequality evolved in the Middle Fraser (Mid-Fraser) Canyon of British Columbia prior to European contact (Teit 1906). Long before the coming of Europeans, the ancient people of the Mid-Fraser Canyon constructed large villages (or towns) and their chiefs presided over massive households of sometimes 50 or more per-sons. Archaeological research in the Mid-Fraser villages offers the opportunity to develop and test theoretical models of emergent inequality (Prentiss and Kuijt 2012; Prentiss et al. 2007).Our research is concerned with the emergence of material wealth-based inequality. By emergence we mean development of a new or previ-A fundamental problem for anthropological archaeology lies in defining and explaining the evolutionary origins of social inequality. Researchers have offered a range of models emphasizing variability in the roles of managers, aggrandizers, ecological variability, and historical contexts. Recent studies suggest that the form of emergent inequality may have varied significantly between groups, implying that pathways to inequality may have varied as well. Unfortunately it has been difficult to test many of these models using archaeological data given their requirements for fine-grained assessments of spatiotemporal variability in many data classes. Recent research at the Bridge River site in British Columbia provides the opportunity to explore the utility of a range of explanatory models associated with early social inequality. Results of the study suggest that inequality, measured as significant variability in accumulation of a range of material wealth items, came late to the Bridge River site (ca. 1200-1300 cal. B.P.) and was associated with a period of demographic packing and apparent declining access to some critical subsistence resources. Assessment of interhousehold variability in demography, wealth accumulation, and occupational longevity suggests that markers of significant affluence manifested only in newly established houses. An important implication is that material wealth-based inequality may not have been hereditary in nature at Bridge River during the period prior to 1100 cal. B.P.La definición y explicación de los orígenes evolutivos de la desigualdad social son problemas fundamentales para la arqueología antropológica. Diferentes investigadores han proporcionado una gama de modelos que enfatizan la variabilidad en los roles de administradores y aggrandizers, versatilidad ecológica, y de los contextos históricos. Estudios recientes sugieren que la forma de desigualdad emergente pudo haber variado notablemente entre los grupos, lo cual implica que los caminos hacia la desigualdad pudieron haber variado también. Desafortunadamente ha sido difícil probar estos modelos usando datos arqueológicos, debido a que estos requieren detalladas evaluaciones sobre variabilidad espacio-temporal en diferentes clases de datos. Investigaciones recientes en el sitio Bridge River (Columbia Británica) ofrecen la oportunidad de explorar la utilidad de un rango de modelos explicativos aso...

This paper provides an analysis of radiocarbon dates acquired during earlier and recent field seasons at the Keatley Creek site, southern British Columbia. Results indicate that early occupations predating 1900 cal. B.P. occurred, but were not likely associated with population aggregation and large housepits. The aggregated village appears to have emerged by approximately 1700 cal. B.P. and was abandoned at approximately 800 cal. B.P. A break in the occupational sequence is recognized at 1450-1350 cal. B.P. and one other short break may have occurred shortly after 1250 cal. B.P. Peak socioeconomic complexity appears to have been achieved between 1350 and 800 cal B.P. Climatic warming may have provided a selective environment favoring population aggregation and intensification during this time. The final abandonment of the Keatley Creek village appears to have been part of a regional phenomenon suggesting the possibility that climatic factors were important in this case as well.

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The evolution of material wealth-based inequality is an important topic in archaeological research. While a number of explanatory models have been proposed, rarely have they been adequately tested. A significant challenge to testing such models concerns our ability to define distinct, temporally short-term, residential occupations in the archaeological record. Sites often lack evidence for temporally persistent inequality, or, when present, the palimpsest nature of the deposits often make it difficult to define the processes of change on scales that are fine enough to evaluate nuanced model predictions. In this article, we use the detailed record of Housepit 54 from the Bridge River site, interior British Columbia, to evaluate several alternative hypotheses regarding the evolution of persistent material wealth-based inequality. Results of our analyses indicate that inequality appeared abruptly coincident with a decline in intra-house cooperation associated with population packing and the initiation of periodic subsistence stress. We conclude that persistent inequality in this context was a byproduct of altered social networks linked to a Malthusian transition and ceiling.