"Field of wildflowers" by Intermountain Forest Service, USDA Region 4 Photography , public domain
US Topo 7.5-minute
ID Big Springs 2020
US Topo 7.5-minute map of Big Springs in Fremont County, Idaho. Published by the U.S. Geological Survey (USGS).
|Yellowstone Pocket Maps|
U.S. Geological Survey (USGS), April 2020