Marietta is a city in, and the county seat of, Washington County, Ohio, United States. It is located in southeastern Ohio at the confluence of the Muskingum and Ohio Rivers, 11 miles (18 km) northeast of Parkersburg, West Virginia. As of the 2020 census, Marietta has a population of 13,385 people. It is the principal city of the Marietta micropolitan area, which includes all of Washington County, and is the second-largest city in the Parkersburg–Marietta–Vienna combined statistical area.
A pusher, pusher craft, pusher boat, pusher tug, or towboat, is a boat designed for pushing barges or car floats. In the United States, the industries that use these vessels refer to them as towboats. These vessels are characterized by a square bow, a shallow draft, and typically have knees, which are large plates mounted to the bow for pushing barges of various heights. These boats usually operate on rivers and inland waterways. Multiple barges lashed together, or a boat and any barges lashed to it, are referred to as a "tow" and can have dozens of barges. Many of these vessels, especially the long distances, or long haul boats, include living quarters for the crew.
Delta King is a 285-foot-long sternwheel steamboat (87 m) and the sister ship of Delta Queen, built in Scotland and California for the California Transportation Company's service between Sacramento and San Francisco, California. She entered service in 1927 and continued until 1940. After wartime service with the United States Navy, Delta King served as an accommodation ship at Kitimat, British Columbia in the 1950s and then returned to California for static use at Old Sacramento where she remains as a hotel, restaurant and venue.
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.
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.
Montgomery is a steam-powered sternwheel-propelled snagboat built in 1925 by the Charleston Dry Dock and Machine Company of Charleston, South Carolina, and operated by the United States Army Corps of Engineers. Montgomery cleared snags and obstructions from the Coosa, Alabama, Apalachicola, Chattahoochee, Flint, Black Warrior, and Tombigbee Rivers until her retirement from the Corps of Engineers on November 8, 1982. She was restored in 1984 and again in 2004. One of only two surviving Army Corps of Engineers snagboats, she was declared a National Historic Landmark in 1989. Montgomery now operates as a museum ship at the Tom Bevill Lock and Dam Visitor Center in Pickensville, Alabama.
The Shaver Transportation Company is an inland water freight transportation company based in Portland, Oregon, United States. The company was founded in 1880 and played a major role in the development of freight transport in the Portland area and along the Columbia.
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.
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.
The Ohio River Museum is a museum that interprets the history of the Ohio River. The museum is situated on the Muskingum River, near its confluence with the Ohio River, in Marietta, Ohio. Opened on March 16, 1941, the museum celebrated its 75th anniversary in 2016.
The Sons and Daughters of Pioneer Rivermen, or S&D, is an historical organization operating out of Marietta, OH. According to its website, it "was established in 1939 to perpetuate the memory of pioneer rivermen and for the preservation of river history." Its current president is Jeff Spear. The organization is under the direction of twelve governors, each serving a three-year term, elected by the general voting body.
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.
Grey Eagle was a wooden sternwheel-driven steamboat that operated on the Willamette and Yamhill rivers in the United States from 1894 to 1930. In 1903 Grey Eagle became the last commercial steamboat to run upriver to Junction City, Oregon.
Portland is a sternwheel steamboat built in 1947 for the Port of Portland, Oregon, in the United States.
Emma Hayward commonly called the Hayward, was a steamboat that served in the Pacific Northwest. This vessel was once one of the finest and fastest steamboats on the Columbia River and Puget Sound. As newer vessels came into service, Emma Hayward was relegated to secondary roles, and, by 1891, was converted into a Columbia river tow boat.
Nestor was a stern-wheel driven steamboat that operated on the Cowlitz and Columbia rivers from 1902 to 1929. Nestor was primarily operated as a towboat, and did most of the towing work on the Cowlitz River. During the 1920s Nestor was part of a small fleet of towboats operated out of Rainier, Oregon by Capt. Milton Smith.
The Mamie S. Barrett, also known as Penniman and Piasa, was 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 
