| 31. | Roofs were often covered with birch bark and sod.
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| 32. | A Russian birch bark letter ( 14th century ).
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| 33. | The hooks were fastened with wooden pegs and covered by additional sheets of birch bark.
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| 34. | The halves are once again joined together and then wrapped in birch bark or osier rings.
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| 35. | Birch bark is still used in some parts of India and Nepal for writing sacred mantras.
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| 36. | In Finland, m�mmi, a traditional Easter food, was packed and baked in boxes of birch bark.
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| 37. | A related drink is made from birch bark _ or was _ and is called birch beer.
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| 38. | Pieces of sod must be laid out immediately after the birch bark, to keep it in place.
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| 39. | The sculpture celebrates the birch bark canoe as the origin of the maritime tradition in this region.
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| 40. | There are many examples of it on birch bark records and in drawings made by Indian Informants.
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