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<br />ABSTRACT <br /> <br />1 <br /> <br />In the spring of 1984. five sites along the Colorado River in Grand <br />Canyon National Park were test excavated prior to stabil ization. The <br />sites, four of which are in dry shelters. span 130 river miles on both <br />sides of the Colorado. and encompass preceramic through historic <br />occupations. Data from the strati fi ed deposits were used to ans\'Jer <br />research questions regarding changes in subsistence and technology <br />through time. Analyses of flotation, pollen and macrofossil samples <br />showed excellent preservation of materi al s from several canyon <br />microenvironments. Variations in the construction of cordage and in the <br />ceramic and lithic technologies related to these specific environments, <br />to the sea sonal na ture of acti vi ti es at each si te and to the i nteracti on <br />of the inhabitants with adjacent groups. <br /> <br />l <br /><J <br /> <br />1 <br />I <br />...;:-, <br /> <br />i <br /> <br />, I <br />u <br /> <br />f.,i <br />U <br /> <br />[1 <br />1:'1 <br />teJ <br /> <br />~ ! <br /> <br />u <br /> <br />u <br /> <br />r.).... <br />L <br /> <br />xv <br />