%0 Journal Article %T Determination of the lifting levels elevationsat log bundling areas of the Northern Dvina River %A Surov, G.. %A Glavatskikh, N.. %K log bundling area, lifting level, exceedance probability %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov