Employers' liability and workmen's compensation. To provide more adequate protection to workmen and laborers on Federal projects, report to accompany H. R. 12599 [to provide more adequate protection to workmen and laborers on projects, buildings, constructions, improvements, and property wherever situated, belonging to United States, by granting to the several States jurisdiction and authority to apply their State workmen's compensation laws on all property and premises belonging to United States]; submitted by Mr. Walsh.