Mobile River. To extend time for construction of bridge or bridges and trestles over navigable channels of mouth of Mobile River, Ala., report to accompany S. 4469 [to extend time for construction of bridge or bridges and trestles over navigable channels of mouth of Mobile River, Ala., from Bay Port, Ala., to Blakely Island by Gulf Ports Terminal Railway Company]; submitted by Mr. Huddleston.