Air Quality

Hughes, J.M., and E.H. Howze. 1989. Respirable dust exposure to residents near unpaved coal haul roads. Virginia Cooperative Extension Virginia Cooperative Extension publication 460-117.

Hughes, J. M., J. H. Sherrard, R. D. Atkinson, M. L. Stallard, and G. Ramachandran. 1987. Quantification of Respirable Dust Exposure to Residents Located Near Coal Haul Roads. VPI&SU, Dept. of Civil Eng.