Great Falls / Little Lost river / Big river / Snake / Snake River / Columbia River / /
OperatingSystem
Fork / /
Organization
National Park Service U.S. Department / Congress / National Park Service / NATIONAL PARK SERVICE DEPARTMENT OF THE INTERIOR / National Trails System administrative office / University Department of Geology / U.S. Department of the Interior / /
Person
Esther Belle Hanna / William Henry Jackson / Auto Tour / Amelia Hadley / Henry Jackson / Polly Coon / / /