Unincorporated community in South Dakota, U.S.
Grindstone is an unincorporated community in Haakon County, in the U.S. state of South Dakota.[1]
History
A post office called Grindstone was established in 1890, and remained in operation until 1946.[2] The community was named after nearby Grindstone Butte.[3]
References
44°08′21″N 101°58′03″W / 44.13917°N 101.96750°W / 44.13917; -101.96750