Christopher L. Hill Depts. of Anthropology and Geosciences, Boise Stat No description specified. 1-2 (2 Records) Documents Geoarchaeology and Chronostratigraphy of the Sheep Rock Spring Site, Late Pleistocene to Holocene, Missouri River Headwaters Region, Southwest Montana (2017) Sedimentary and Taphonomic Contexts of Quaternary Vertebrate Fossils in the Northern Rocky Mountains (2018)