The Snake River Plain may have served as a corridor for the earliest colonists spreading throughout the New World. It has been observed that the distribution of Clovis period sites and raw material used to produce diagnostic points reflects a detailed understanding of the environment. During the Terminal Pleistocene, there is little evidence of Clovis hunter-gatherers interacting with mega-fauna in the Snake River Plain, despite finding both in the same locations but nonassociated. An example of this appears at the Seagull Bay Clovis site (10PR89) where several Clovis projectile points made of locally available obsidian have been found, while adjacent areas have produced significant examples of Pleistocene megafauna. This article discusses Clovis projectile points from the Seagull Bay site, obsidian sources used to make the points, and regional megafauna.

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海鸥湾遗址——东蛇河平原美国瀑布的克洛维斯技术

蛇河平原可能是最早散布在新大陆的殖民者的走廊。据观察，克洛维斯时期遗址和用于生产诊断点的原材料的分布反映了对环境的详细了解。在更新世末期，几乎没有证据表明克洛维斯狩猎采集者与蛇河平原的大型动物群相互作用，尽管它们都在同一地点但没有关联。这方面的一个例子出现在海鸥湾克洛维斯遗址 (10PR89)，在那里发现了几个由当地可用黑曜石制成的克洛维斯射弹点，而邻近地区则出现了重要的更新世巨型动物群。本文讨论了来自海鸥湾遗址的克洛维斯弹丸点，用于制作点的黑曜石来源，