[Study of dust concentration in a siderite mine].
D000397:Air Pollution; D002254:Carbonates; D004391:Dust; D005290:Ferric Compounds; D007501:Iron; D008906:Mining
D002254:Carbonates; D004391:Dust; D005290:Ferric Compounds; D007501:Iron; C486982:siderite
AIR POLLUTION; IRON; MINING