Charles Floyd was an American explorer, a non-commissioned officer in the U.S. Army, and the quartermaster of the Lewis and Clark Expedition. A native of Kentucky, he was a son of Robert Clark Floyd, a nephew of James John Floyd, a cousin of Virginia governor John Floyd, and possibly a relative of William Clark. He was one of the first men to join the expedition, and the only member of the Corps of Discovery to die during the expedition.
The Sergeant Floyd Monument is a monument on the Missouri River at Floyd's Bluff in Sioux City, Iowa, USA. The monument honors Charles Floyd, a member of the Lewis and Clark Expedition, who died on the upstream voyage in 1804 and was buried here.
W. T. Preston is a specialized sternwheeler that operated as a snagboat, removing log jams and natural debris that prevented river navigation on several Puget Sound-area rivers. She is now the centerpiece of the Snagboat Heritage Center in Anacortes, Washington. She was designated a National Historic Landmark in 1989. Built in 1929, she is one of two surviving snagboats built and operated by the United States Army Corps of Engineers, and the only one on the American west coast.
United States Lightship 101, now known as Portsmouth as a museum ship, was first stationed at Cape Charles, Virginia. Today she is at the Portsmouth Naval Shipyard Museum in Portsmouth, Virginia. Portsmouth never had a lightship station; however, when the vessel was dry docked there as a museum, she took on the pseudonym Portsmouth. A National Historic Landmark, she is one of a small number of surviving lightships.
Mayor Andrew Broaddus is a lifesaving station built by the United States Life-Saving Service located in Louisville, Kentucky, off the corner of River Road and Fourth Street. She is named in honor of Andrew Broaddus (1900-1972), a former mayor of Louisville (1953-1957). Her historic purpose was to protect travelers on the Ohio River from the Falls of the Ohio, with rescue crews for those who fell victim to the rapids. Louisville was the first place where a lifesaving station was placed in western waters. The first lifestation in Louisville was in 1881, with Mayor Andrew Broaddus as the third. A National Historic Landmark, she is the only surviving floating lifesaving station of the US Life-Saving Service.
Lettie G. Howard, formerly Mystic C and Caviare, is a wooden Fredonia schooner built in 1893 in Essex, Massachusetts, USA. This type of craft was commonly used by American offshore fishermen, and is believed to be the last surviving example of its type. She was declared a National Historic Landmark in 1989. She is now based at the South Street Seaport Museum in New York City.
L. A. Dunton is a National Historic Landmark fishing schooner and museum exhibit located at the Mystic Seaport Museum in Mystic, Connecticut. Built in 1921, she is one of three remaining vessels afloat of this type, which was once the most common sail-powered fishing vessel sailing from New England ports. In service in New England waters until the 1930s and Newfoundland into the 1950s. After a brief period as a cargo ship, she was acquired by the museum and restored to her original condition.
George M. Verity is a historic towboat now displayed as a museum ship in Keokuk, Iowa. Built in 1927 as SS Thorpe, she is nationally significant for being one of only three surviving steam-powered towboats in existence in the United States. She was declared a National Historic Landmark in 1989.
William M. Black is a steam-propelled, sidewheel dustpan dredge, now serving as a museum ship in the harbor of Dubuque, Iowa. Built in 1934, she is one of a small number of surviving steam-powered dredges, and one of four surviving United States Army Corps of Engineers dredges. She was declared a National Historic Landmark in 1992. She is open for tours as part of the National Mississippi River Museum & Aquarium.
Lone Star is a wooden hull, steam-powered stern-wheeled towboat in LeClaire, Iowa, United States. She is dry docked and on display at the Buffalo Bill Museum in LeClaire. Built in 1868, she is the oldest of three surviving steam-powered towboats, and the only one with a wooden hull. She was declared a National Historic Landmark on 20 December 1989.
President is a steamboat that currently lies dismantled in Effingham, Illinois. Originally named Cincinnati, it was built in 1924 and is the only remaining "Western Rivers" style sidewheel river excursion steamboat in the United States. She was listed on the National Register of Historic Places and declared a National Historic Landmark in 1989, although these designations were revoked in 2011. Her home ports have been Cincinnati, Ohio; New Orleans, Louisiana; Vicksburg, Mississippi; St. Louis, Missouri; and Davenport, Iowa.
United States lightship Relief (WLV-605) is a lightvessel now serving as a museum ship in Oakland, California. Built in 1950, she is one of a small number of surviving lightships, and one of an even smaller number built specifically for the United States Coast Guard. Along with her sister ship, the WLV-604 Columbia, she is a good example of the last generation of lightships built. She was declared a National Historic Landmark in 1989.
Standard, also known historically as Donald B and Barbara H, is a paddlewheel towboat that has been named a US National Historic Landmark and is now based at Bellaire in eastern Ohio. Built in 1923, she is the oldest surviving unaltered rear-wheel towboat afloat. The boat was declared a National Historic Landmark in 1989.
Luna is a historic tugboat normally berthed in Boston Harbor, Massachusetts. Luna was designed in 1930 by John G. Alden and built by M.M. Davis and Bethlehem Steel. She is listed on the National Register of Historic Places and is a U.S. National Historic Landmark. In 1985, the Luna was designated as a Boston Landmark by the Boston Landmarks Commission.
The showboat Goldenrod was designated U.S. National Historic Landmark on 24 December 1967. She was placed on the 'Threatened Historical Landmarks' list in 2001.
W. P. Snyder Jr., also known as W. H. Clingerman, W. P. Snyder Jr. State Memorial, or J. L. Perry, is a historic towboat moored on the Muskingum River in Marietta, Ohio, at the Ohio River Museum. A National Historic Landmark, she is the only intact, steam-driven sternwheel towboat still on the nation's river system.
Baltimore is a preserved steam-powered tugboat, built in 1906 by the Skinner Shipbuilding Company of Baltimore, Maryland. She is formerly the oldest operating steam tugboat in the United States, but at present does not hold an operating license issued by the US Coast Guard, so is unable to leave her dock at the Baltimore Museum of Industry on Key Highway, Baltimore. Her hull is not capable of operating on open water. Baltimore was built and operated as a harbor inspection tug, capable of acting as a municipal tugboat for city barges, as well as an official welcoming vessel and VIP launch, an auxiliary fireboat, and as a light icebreaker.
M/V Mississippi is a United States Army Corps of Engineers (USACE) towboat operating on the Mississippi River. It is the largest diesel towboat on the river.
Sainte Genevieve, also known as The Genny, was a steam powered Cutterhead dredge. At the time she was listed on the National Register of Historic Places in 1986 she was located on the Mississippi River along the levee near downtown Davenport, Iowa, United States.
The Mamie S. Barrett, also known as Penniman and Piasa, is a historic towboat which was built in 1921. It was located in Eddy Creek Marina, in Eddyville, Kentucky at the time of its listing on the National Register of Historic Places in April 1983.
United States 
