21. Tecumseh's warriors formed a line in a black ash swamp on the British right to flank the Americans. 22. At the Sumatran crash site, workers scrambled up trees and sifted through black ash to search for remains. 23. The eruption on Friday spewed out gray-black ash for about 3 1 / 2 hours, the agency said. 24. Many of Catania's 350, 000 residents walked around the city with umbrellas against the black ash raining down. 25. Black ash has turned the snow dark, and broken glass from blasted windows litters the pavements and streets.26. Even worse is that one of the tree species that the lichen commonly live on is black ash . 27. EAB primarily infest and can cause significant damage to black ash , white ash, and blue ash in North America. 28. Some of Catania's 350, 000 residents used umbrellas and hats to shield themselves from the rain of black ash . 29. Michael Resch, an Austrian who lives on the outskirts of Banos, found his lawn furniture covered with black ash . 30. The black ash tree, used by basket weavers from Michigan to Maine, is threatened by the emerald ash borer.
