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March 2004 - Society for California Archaeology

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32<br />

Articles<br />

history of El Polín Springs. We learned that the<br />

present-day picnic area was once a patchwork of<br />

different micro-environments, including low-lying<br />

wetlands and ponds, sand dunes, and gentle slopes<br />

of clay loam. In many cases these different<br />

geological <strong>for</strong>mations occur in spaces of as little as<br />

10 meters from another, and in no case were soil<br />

profiles continuous from one test block to the next.<br />

We are expanding the scope of our planned<br />

investigations in Summer <strong>2004</strong> to include<br />

geomorphology and palyntology studies that can<br />

further refine these initial findings.<br />

Together the test excavations recovered over<br />

100,000 archaeological specimens. Project<br />

researchers are currently working on cataloging<br />

Figure 5: The Summer 2003 research team posted<br />

in front of our most important discovery – the<br />

stone foundation of this adobe house.<br />

Figure 4: El Polín Springs as it looks today, a popular<br />

picnic area and trailhead <strong>for</strong> park visitors.<br />

both high- and low-density areas to explore the<br />

full range of deposits that might be present.<br />

The most significant finding of the test<br />

excavations was the discovery of the stone<br />

foundation of a Spanish-colonial/Mexican<br />

period adobe house (Figure 5). We quickly<br />

amended our research plan to trace the<br />

orientation and size of this structure. This<br />

foundation feature – termed Building 1 <strong>for</strong> the<br />

purposes of our investigation – is surprisingly<br />

well-preserved. Although the collapsed adobe<br />

walls above the stone foundation have been<br />

largely removed by American-period grading,<br />

the foundations retain the upper leveling course<br />

of stone, mud mortar, and adobe brick<br />

fragments. Both this and the presence of what<br />

appear to be roof collapse deposits indicate that<br />

floor surfaces might still be preserved within<br />

this structure. We also discovered what may be<br />

the opening of a pit or well feature immediate<br />

east of Building 1, and verified the presence of<br />

intact yard deposits to the west of the structure.<br />

Both the interior of Building 1 and the yard and<br />

pit deposits on the structure’s exterior will be<br />

further excavated in Summer <strong>2004</strong>.<br />

The test excavations also provided<br />

substantial in<strong>for</strong>mation about the environmental<br />

Figure 6: Project crew chief Ingrid Newquist explains the<br />

archaeological process to one of our many visitors.<br />

SCA Newsletter 38(1)

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