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Mummy Cave; North Fork Shoshone River; Park County, Wyoming, Timothy Andrews

Conspectus Borealis

Mummy Cave represents the silence of the Sheepeater Shoshone. Little evidence of human occupation can survive this close to the river. The bank is low and rocky, with a thin deposit of alluvial soil, from the present shoreline to the angle of the ridge, where the ruddy breccia and tuff rise acutely, providing a rockface where the erosive action of the frigid mountain water could lap over eons at the igneous wall to form a shallow overhang. Camp placement in this proximity to a river was likely common, making use of a broad level riverbank to live close to water …