Burn marks left on trees show that fires occurred frequently in North America from 1750 to 1880, but they tended to be less severe than modern fires and may have even been beneficial to forests Burn marks left on trees show that fires occurred frequently in North America from 1750 to 1880, but they tended to be less severe than modern fires and may have even been beneficial to forests New Scientist – News
Tree scars reveal how wildfires in centuries past differed from today
