%0 Journal Article %T On the Calculation of Recirculating Scheme of Quarry Ventilation %A Starostin, I.I. %K open-pit mining (quarry), recirculating scheme of quarry ventilation, geometry of a quarry, boundary layer, limits of boundary layer. %J Safety in Technosphere %D 2015 %N 4 %P 5 %I INFRA-M Academic Publishing LLC.