Langford's party was camped near the south arm of Yellowstone Lake at the time.
Alternatively, rapid changes in the level of Yellowstone Lake may have been responsible.
Therefore, this spot is considered the actual northern boundary of Yellowstone Lake.
The photos showed the water level at the south end of Yellowstone Lake was rising.
An unusual fishing season just ended on Yellowstone Lake.
Yellowstone Lake has a marina, and the lake is the most popular boating destination.
In Yellowstone Lake, meanwhile, foreign trout have arrived.
Nor was there any blackened forest on the north shore of Yellowstone Lake, although its southern and western sides had burned entirely.
The valley floor along the river is an ancient lake bed from a time when Yellowstone Lake was much larger.
Damage to the fishery in Yellowstone Lake could also affect the bear.