Shaded relief location map for the East Gallatin-Reese Creek fault system in northwest Yellowstone National Park

Shaded relief location map for the East Gallatin-Reese Creek fault system (EGRCFS) in northwest Yellowstone National Park (YNP). The location of the EGRCFS is shown as mapped in the U.S. Geological Survey Quaternary Fault and Fold Database, subdivided into the southern East Gallatin section (blue dashed line) and the northern Reese Creek section (black dashed line). Red rectangle on inset map shows location within Yellowstone National Park.