In 1976 the town of Fort Benton commissioned a heroic-sized bronze group of Lewis and Clark with Sacajawea and her baby. This was echoed by Great Falls, whose group dropped out Sacajawea in favor of York and Seaman, Lewis' dog.
The towns of Fort Benton and Great Falls created bronze statues of Lewis and Clark in 1976, each featuring a unique composition.  Fort Benton included Sacajawea and her baby, while Great Falls replaced her with York and Seaman.