The barn did not stand so much as it hunched. It was a massive, arthritis-bent structure of timber and tin, resting on a foundation of mossy granite boulders that had settled into the earth long before the first plow had broken the prairie sod. To say it was full of dust was to say the ocean was full of water; the dust was not an intrusion, but rather the barn’s atmosphere, its medium, its very breath.
Naturally ventilated free-stall barns use ridge openings and axial fans to circulate air and reduce pollutant buildup. dusty barn
. This dust is rarely just dirt; it is a bioaerosol composed of: The barn did not stand so much as it hunched