William M. Black is a steam-propelled, sidewheel dustpan dredge, named for William Murray Black, now serving as a museum ship in the harbor of Dubuque, Iowa.

[2][3] She is open for tours as part of the National Mississippi River Museum & Aquarium.

One of the ship's paddlewheels has been removed, and is on display on the museum grounds.

[3] According to information provided on the tour, William M. Black, one of the last paddle steamers built in the US, was used primarily along the Missouri River.

She had a crew of 49 and dredged 80,000 cubic yards (61,000 m3) of material per day.