Don Edwards Preserve
Mortar Count: 4
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Patterson Mound, CA-ALA-328

Territory: Tuibin

The Tuibin occupied the area around Coyote Hills and controlled the lower reaches of Alameda Creek.

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Don Edwards Preserve

Don Edwards Preserve4 bedrock mortars, possible cupulesElevation 103 ft.Another one of Jeff’s amazing finds.Nearly all the bedrock mortars we’ve encountered in the Bay Area occur on sandstone. These are the only ones we’ve seen in metamorphic chert.A closer look. Note the paired, shallow mortars. Such arrangements are rare. The only others we’ve seen are on […]

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Patterson Mound, CA-ALA-328

Patterson Mound, CA-ALA-328Tuibun village site, Coyote HillsElevation 18 ft.According to Polly Bickel, there are four known shellmounds in this general vicinity of Coyote Hills. For a fascinating, in-depth study of three of them, check out San Francisco Bay Archaeology: Sites ALA-328, ALA-13, and ALA-12. Be sure to look at the Plates that accompany Bickel’s paper. […]