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 Aqueduct, D. C., and Washington Aqueduct filtration plant; Increasing water supply, District of Columbia; M. C. Tyler in charge.