Anacostia Park and reclamation and development of Anacostia River and flats from mouth of river to District line, D. C.; Repairs to Aqueduct Bridge, D. C.; Construction of bridge across Potomac River at Georgetown, D. C. (Francis Scott Key Bridge); Maintenance and repair of Washington Aque duct, D. C, and Washington Aqueduct nitration plant: Increasing water supply, District of Columbia; J. A. O'Connor in charge.