A study of the airborne dust in haematite mines in Cumberland.
D004391:Dust / Q000737:chemistry*; D005290:Ferric Compounds; D006801:Humans; D008906:Mining; D011009:Pneumoconiosis / Q000706:statistics & numerical data*
D004391:Dust; D005290:Ferric Compounds; C000499:ferric oxide
DUST/chemistry; PNEUMOCONIOSIS/statistics