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i~ <br />1 <br />' Study Area. The features occurred on 10 sites that contained <br />between one and 19 stone circles; occurrences of five or fewer <br />features per site were most common. <br />Stone circle frequency was found to correlate significantly <br />with site area. As the number of stone circles changed, site area <br />' changed by a consistent and predictable ratio. Moreover, while the <br />number of stone circles varied considerably from site to site, <br />nearly 50 percent of this variability could be attributed <br />statistically to changes in site area. This suggests that average <br />' intrasite distances among stone circles and between stone circles <br />and related activity areas were relatively uniform throughout the <br />Study Area and adjacent lands. <br />There was no correlation between site area and the frequency <br />of ground stone or flaked stone artifacts. Small sites were about <br />' as likely as larger sites to contain high artifact densities. <br />Artifact and stone circle frequencies were unrelated, though a <br />trend toward a negative correlation (a tendency for the number of <br />artifacts to decrease as the number of stone circles increases) may <br />' become significant in a larger site sample. <br />A sample of 190 ground stone artifacts available for analysis <br />facilitated several lines of investigation concerning inteasite and <br />intrasite patterning. For instance, determining whether artifact <br />size remains constant or varies among sites may indicate whether a <br />single use, such as seed grinding, or multiple uses occurred, as <br />discussed in the following section. Variability in ground stone <br />' use among sites would suggest that different types of plants were <br />harvested and/or processed at different sites. <br />' The ratio of manos to metates on site surfaces addresses <br />intrasite activity patterns, site formation and preservation <br />' processes, and the possible effects of collector activity. A <br />consistent linear relationship across sites (similar to the trend <br />observed for stone circle frequency and site area) would suggest <br />' that ground stone artifacts represented similar intrasite activity <br />73 <br /> <br />