Technical papers. 719. Investigation of coal deposits in Fair view and Coal City Basins, Coosa field, St. Clair County, Ala., reserves, petrography, and chemical properties of coals washability characteristics of coal from Fairview bed, and geology of area; [by Albert L. Toenges, Louis A. Turnbull, Theodore R. Jolley, Joseph J. Shields, H. L. Smith, H. J. O'Donnell, H. M. Cooper, R. F. Abernethy, B. W. Gandrud, H. L. Riley, and Howard E. Rothrock].