Report - Bengt-Johan Skrifvarsusers.abo.fi/.../FPK_II_2018/2_Ash_and_Ash_Deposition_FPK_II_2018.pdf · size nbr 0 - 4 mm 104 4 - 6 mm 160 6 - 8 mm 161 8 - 9 mm 75 9 - 10 mm 67 10 - 14 mm 186

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