Mountain glaciers spilled from the canyons to the valley floor, forming basins occupied today by lakes like Leigh, Jenny, Bradley, Taggart and Phelps.
(Mountain glaciers; spilled; to the valley floor) (Mountain glaciers; forming; basins occupied today by lakes like Leigh, Jenny, Bradley, Taggart and Phelps) (basins; occupied; T:today; by lakes like Leigh, Jenny, Bradley, Taggart and Phelps)
Mountain glaciers Mountain glaciers basins
spilled forming occupied
to the valley floor
basins occupied today by lakes like Leigh, Jenny, Bradley, Taggart and Phelps
T:today by lakes like Leigh, Jenny, Bradley, Taggart and Phelps