207.9Mystic River, Mass.; dam of Commonwealth of Massachusetts, Metropolitan District Commission.207.10Charles River, Mass.; dam of Charles River Basin Commission.207.20Cape Cod Canal, Mass.; use, administration, and navigation.207.50Hudson River Lock at Troy, N.Y.; navigation.207.60Federal Dam, Hudson River, Troy, N.Y.; pool level.207.100Inland waterway from Delaware River to Chesapeake Bay, Del. and Md. (Chesapeake and Delaware Canal); use, administration, and navigation.207.160All waterways tributary to the Atlantic Ocean south of Chesapeake Bay and all waterways tributary to the Gulf of Mexico east and south of St. Marks, Fla.; use, administration, and navigation.207.169Oklawaha River, navigation lock and dam at Moss Bluff, Fla.; use, administration, and navigation.207.170Federal Dam, Oklawaha River, Moss Bluff, Fla.; pool level.207.170aEugene J. Burrell Navigation Lock in Haines Creek near Lisbon, Fla.; use, administration, and navigation.207.170bApopka-Beauclair Navigation Lock in Apopka-Beauclair Canal in Lake County, Fla.; use, administration, and navigation.207.170cKissimmee River, navigation locks between Lake Tohopekaliga and Lake Okeechobee, Fla.; use, administration, and navigation.207.170dTaylor Creek, navigation lock (S-193) across the entrance to Taylor Creek at Lake Okeechobee, Okeechobee, Fla.; use, administration, and navigation.207.175aCarlson's Landing Dam navigation lock, Withlacoochee River, Fla.; use, administration, and navigation.207.180All waterways tributary to the Gulf of Mexico (except the Mississippi River, its tributaries, South and Southwest Passes and the Atchafalaya River) from St. Marks, Fla., to the Rio Grande; use, administration, and navigation.207.185Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation.207.187Gulf Intracoastal Waterway, Tex.; special floodgate, lock and navigation regulations.207.200Mississippi River below mouth of Ohio River, including South and Southwest Passes; use, administration, and navigation.207.249Ouachita and Black Rivers, Ark. and La., Mile 0.0 to Mile 338.0 (Camden, Ark.) above the mouth of the Black River; the Red River, La., Mile 6.7 (Junction of Red, Atchafalaya and Old Rivers) to Mile 276.0 (Shreveport, La.); use, administration, and navigation.207.260Yazoo Diversion Canal, Vicksburg, Miss., from its mouth at Kleinston Landing to Fisher Street; navigation.207.270Tallahatchie River, Miss., between Batesville and the mouth; logging.207.275McClellan-Kerr Arkansas River navigation system: use, administration, and navigation.207.300Ohio River, Mississippi River above Cairo, Ill., and their tributaries; use, administration, and navigation.207.306Missouri River; administration and navigation.207.310Mississippi River at Keokuk, Iowa; operation of power dam by Mississippi River Power Co.207.320Mississippi River, Twin City Locks and Dam, St. Paul and Minneapolis, Minn.; pool level.207.330Mississippi River between Winnibigoshish and Pokegama dams, Leech River between outlet of Leech Lake and Mississippi River, and Pokegama reservoir; logging.207.340Reservoirs at headwaters of the Mississippi River; use and administration.207.350St. Croix River, Wis. and Minn.207.360Rainy River, Minn.; logging regulations for portions of river within jurisdiction of the United States.207.370Big Fork River, Minn.; logging.207.380Red Lake River, Minn.; logging regulations for portion of river above Thief River Falls.207.390[Reserved]207.420Chicago River, Ill.; Sanitary District controlling works, and the use, administration, and navigation of the lock at the mouth of river, Chicago Harbor.207.425Calumet River, Ill.; Thomas J. O'Brien Lock and Controlling Works and the use, administration and navigation of the lock.207.440St. Marys Falls Canal and Locks, Mich.; use, administration, and navigation.207.441St. Marys Falls Canal and Locks, Mich.; security.207.460Fox River, Wis.207.470Sturgeon Bay and Lake Michigan Ship Canal, Wis.; use and navigation.207.476The Inland Route—lock in Crooked River, Alanson, Mich.; use, administration, and navigation.207.480Lake Huron, Mich.; Harbor of refuge, Harbor Beach; use and navigation.207.560Sandusky Harbor, Ohio; use, administration, and navigation.207.565Vermilion Harbor, Ohio; use, administration, and navigation.207.570Harbors of Huron, Lorain, Cleveland, Fairport, Ashtabula, Conneaut, Ohio; use, administration, and navigation.207.580Buffalo Harbor, N.Y.; use, administration, and navigation.207.590Black Rock Canal and Lock at Buffalo, N.Y.; use, administration, and navigation.207.600Rochester (Charlotte) Harbor, N.Y.; use, administration, and navigation.207.610St. Lawrence River, Cape Vincent Harbor, N.Y.; use, administration, and navigation of the harbor and U.S. breakwater.207.640Sacramento Deep Water Ship Channel Barge Lock and Approach Canals; use, administration, and navigation.207.680Willamette River, Oreg.; use, administration, and navigation of canal and locks at Willamette Falls, Oreg.207.718Navigation locks and approach channels, Columbia and Snake Rivers, Oreg. and Wash.207.750Puget Sound Area, Wash.207.800Collection of navigation statistics.