This chapter concerns protection of navigable waters and of harbor and river improvements generally. Specifically, it provides for construction of bridges, causeways, dams or dikes generally and exemptions; construction of bridges, etc., over Illinois and Mississippi Canal; obstruction of navigable waters generally, wharves, piers, and excavations and filling in; creation or continuance of obstruction of navigable waters; lighting at docks and boat launching facilities; establishment of harbor lines, conditions to grants for extension of piers; establishment and modification of harbor lines on Potomac and Anacostia Rivers; penalty for wrongful construction of bridges, piers and removal of structures; deposit of refuse in navigable waters generally; deposit of debris of mines and stamp works; taking possession of, use of, or injury to harbor or river improvements; expediting approval of modifications and alterations of projects by non-Federal interests; obstruction of navigable waters by vessels, floating timber, marking and removal of sunken vessels; exception as to floating loose timber, sack rafts, violation of regulations and penalty; penalty for wrongful deposit of refuse; use of or injury to harbor improvements, and obstruction of navigable waters generally; liability of masters, pilots and of vessels engaged in violations; duty of United States attorneys and other Federal officers in enforcement of provisions and arrest of offenders; removal by Secretary of the Army of sunken water craft generally, and liability of owner, lessee, or operator; summary removal of water craft obstructing navigation; liability of owner, lessee, or operator; appropriations for removal of sunken water craft; expenses of investigations by Department of the Army; provisions for protection of New York Harbor unaffected; regulation by Secretary governing transportation and dumping of dredgings, refuse, etc., into navigable waters, oyster lands and appropriations; management practices to extend capacity and useful life of dredged material disposal areas; piers and cribs on Mississippi and St. Croix Rivers; deposit of refuse, etc., in Lake Michigan near Chicago; modification and extension of harbor lines at Chicago; establishment of pierhead and bulkhead lines in Wilmington Harbor, California; establishment of pierhead or bulkhead lines in Newport Harbor, California; modification of harbor lines in Newport Harbor, California; investigations concerning erosion of shores of coastal and lake waters; coastal Engineering Research Center, its establishment, powers and functions; the Board on Coastal Engineering Research; the transfer of functions of Beach Erosion Board; additional investigations concerning erosion of shores of coastal and lake waters, payment of costs; applicability of existing laws; projects referred to Board of Engineers for Rivers and Harbors; report by the Coastal Engineering Research Center; federal aid in protection of shores; shore protection projects; storm and hurricane restoration and impact minimization program; construction of bridges, causeways, dams or dikes generally and its exemptions; construction of bridges over Illinois and Mississippi Canal; obstruction of navigable waters generally, wharves, piers and excavations and filling in; creation or continuance of obstruction of navigable waters; lighting at docks and boat launching facilities; establishment of harbor lines and conditions to grants for extension of piers; establishment and modification of harbor lines on Potomac and Anacostia Rivers; penalty for wrongful construction of bridges, piers and removal of structures; deposit of refuse in navigable waters generally; deposit of debris of mines and stamp works; taking possession of, use of, or injury to harbor or river improvements; expediting approval of modifications and alterations of projects by non-Federal interests; obstruction of navigable waters by vessels, floating timber, marking and removal of sunken vessels; exception as to floating loose timber, sack rafts, violation of regulations and penalty; penalty for wrongful deposit of refuse, use of or injury to harbor improvements, and obstruction of navigable waters generally; liability of masters, pilots, etc., and of vessels engaged in violations; duty of United States attorneys and other Federal officers in enforcement of provisions; arrest of offenders; removal by Secretary of the Army of sunken water craft generally, liability of owner, lessee, or operator; summary removal of water craft obstructing navigation, liability of owner, lessee, or operator; appropriations for removal of sunken water craft; expenses of investigations by Department of the Army; provisions for protection of New York Harbor unaffected; regulation by Secretary governing transportation and dumping of dredgings, refuse, etc., into navigable waters; oyster lands; appropriations; management practices to extend capacity and useful life of dredged material disposal areas; piers and cribs on Mississippi and St. Croix Rivers; deposit of refuse, etc., in Lake Michigan near Chicago; modification and extension of harbor lines at Chicago; establishment of pierhead and bulkhead lines in Wilmington Harbor, California; establishment of pierhead or bulkhead lines in Newport Harbor, California; modification of harbor lines in Newport Harbor, California; investigations concerning erosion of shores of coastal and lake waters; the Coastal Engineering Research Center, its establishment, powers and functions; the Board on Coastal Engineering Research; transfer of functions of Beach Erosion Board; additional investigations concerning erosion of shores of coastal and lake waters; applicability of existing laws; projects referred to Board of Engineers for Rivers and Harbors; report by Coastal Engineering Research Center; federal aid in protection of shores; shore protection projects; clarification of munition disposal authorities; storm and hurricane restoration and impact minimization program; oil pollution of coastal waters; New York harbor, harbor of Hampton roads, and harbor of Baltimore; deposit of refuse prohibited and penalty; liability of officers of towing vessel; permit for dumping; penalty for taking or towing boat or scow without permit; dumping at other place than designated dumping grounds, its penalty, person liable and excuses for deviation; equipment and marking of boats or scows; consent of Congress to obstruction of waters by New York City; Potomac river and tributaries in district of Columbia; navigable waters of Maryland; water pollution control; controversies involving construction or application of interstate compacts and pollution of waters; dam inspection program; inspection of dams; investigation reports to Governors; determination of danger to human life and property; national dam inventory; interagency Committee on Dam Safety; national dam safety program; lock and dam security; rehabilitation of high hazard potential dams and research; dam safety training; public awareness and outreach for dam safety; and recovery of dam modification costs required for safety purposes.