Coal. Before Interstate Commerce Commission, docket no. 5504, Cotton Manufacturers Association of South Carolina v. Carolina, Clinchfield & Ohio Railway, et al.; docket no. 6324, in re bituminous coal rates to southeast; brief on behalf of defendants, Carolina, Clinchfield & Ohio Railway and Carolina, Clinchfield & Ohio Railway of South Carolina in opposition to demand for reparation asserted in so-called 2d supplemental petition in matter of reparation.