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A lightning strike started the Blackwater Fire (pictured) in Shoshone National Forest, Wyoming, consuming 1,700 acres (7 km2) of old-growth forest and killing 15 firefighters.

Historical image related to A lightning strike started the Blackwater Fire (pictured) in Shoshone National Forest, Wyoming, consuming 1,700 acres (7 km2) of old-growth forest and killing 15 firefighters. from August 18, 1937

Blackwater Fire of 1937

Fire in Shoshone National Forest

On August 18, 1937, a lightning strike started the Blackwater Fire in Shoshone National Forest, approximately 35 miles (56 km) west of Cody, Wyoming, United States. Fifteen firefighters were killed by the forest fire when a dry weather front caused the winds to suddenly increase…
Source: Wikipedia (CC BY-SA)

Shoshone National Forest

National Forest in Wyoming, US

Shoshone National Forest is the first federally protected National Forest in the United States and covers nearly 2,500,000 acres (10,000 km2) in the state of Wyoming. Originally a part of the Yellowstone Timberland Reserve, the forest is managed by the United States Forest…
Source: Wikipedia (CC BY-SA)

Old-growth forest

Forest that has developed over a long period of time without disturbance

An old-growth forest or primary forest is a forest that has developed over a long period of time without disturbance. Due to this, old-growth forests exhibit unique ecological features. The Food and Agriculture Organization of the United Nations defines primary forests as…
Source: Wikipedia (CC BY-SA)