Mosher is an unincorporated community in Mellette County, in the U.S. state of South Dakota.
[1] Mosher had its start in 1930 when the railroad was extended to that point.
[2] The community has the name of Harmon B. Mosher, a railroad official.
[2] A post office was established at Mosher in 1930, and remained in operation until 1974.
This South Dakota state location article is a stub.