And that may be the most important transformation in the entire story.

The Great Basin Before Modern Nevada

To picture the world of the Spirit Cave individual, modern maps are almost misleading.

Nevada today is associated with arid basins, mountain shadows, sagebrush, playas, and long stretches of open desert.

Ten thousand years ago, the region was still adjusting to the end of the Pleistocene.

Large lakes that had once filled portions of the Great Basin were shrinking, wetlands were changing, and human communities had to respond to a landscape in transition.

Lake Lahontan, the enormous Ice Age lake system that once covered much of northwestern Nevada, had already begun to retreat.

Its remnants survived as smaller lakes, marshes, springs, and wetland corridors.

Those places were ecological magnets.

Fish, waterfowl, small game, edible plants, reeds, and other resources could support people in ways the surrounding dry country could not.