Supplemental Material: Neogene and Pleistocene landslides along the Grand Valley fault in eastern Idaho and western Wyoming, USA, and their relationship to caldera-forming eruptions of the Yellowstone hotspot

Supplemental material consists of added detail for landslide locations and descriptions, including field notes and descriptions for the QTbx unit. The files also include methodology and analytical data for new 40Ar/39Ar dates and a palynological report from PetroStrat.