Lake AtnaW
Lake Atna
Bear Spirit MountainW
Bear Spirit Mountain
Bog turtleW
Bog turtle
Bonneville floodW
Bonneville flood
Lake BonnevilleW
Lake Bonneville
CuvieroniusW
Cuvieronius
Desmognathus fuscusW
Desmognathus fuscus
Seal salamanderW
Seal salamander
Allegheny Mountain dusky salamanderW
Allegheny Mountain dusky salamander
Edith FormationW
Edith Formation
Snowy egretW
Snowy egret
Last Glacial PeriodW
Last Glacial Period
GlyptotheriumW
Glyptotherium
Spring salamanderW
Spring salamander
HemiaucheniaW
Hemiauchenia
Henry's Fork CalderaW
Henry's Fork Caldera
HolmesinaW
Holmesina
Lake LahontanW
Lake Lahontan
MixotoxodonW
Mixotoxodon
Natural Trap CaveW
Natural Trap Cave
Eastern newtW
Eastern newt
NothrotheriumW
Nothrotherium
Last Glacial PeriodW
Last Glacial Period
Last Glacial PeriodW
Last Glacial Period
PlatygonusW
Platygonus
Quaternary glaciationW
Quaternary glaciation
Allegheny Mountain dusky salamanderW
Allegheny Mountain dusky salamander
Jefferson salamanderW
Jefferson salamander
Northern slimy salamanderW
Northern slimy salamander
Seal salamanderW
Seal salamander
Spring salamanderW
Spring salamander
Sevier LakeW
Sevier Lake
Shoshone FallsW
Shoshone Falls
Snake River PlainW
Snake River Plain
Mount Tabor (Oregon)W
Mount Tabor (Oregon)
Taos Plateau volcanic fieldW
Taos Plateau volcanic field
Mount Taylor (New Mexico)W
Mount Taylor (New Mexico)
Touchet FormationW
Touchet Formation
Wisconsin glaciationW
Wisconsin glaciation
Yellowstone hotspotW
Yellowstone hotspot
Zuni-Bandera volcanic fieldW
Zuni-Bandera volcanic field