With two exceptions each of the large moraines incloses a lake.
"Grand Teton [Wyoming] National Park"
United States Dept. of the Interior
moraines are deposits of debris, piled up by the ice itself.
"Grand Teton [Wyoming] National Park"
United States Dept. of the Interior
moraines, outwash plains, and lakes are easily recognizable features that originated during the latest glacial stages, and most of the peaks and canyons were greatly modified.
"Grand Teton [Wyoming] National Park"
United States Dept. of the Interior