Arranged as a memorial millstone, and a plaque, commemorating Isaac Wilson.
Signboard
says:
Wilsons Siding
Isaac Wilson 1840-1912
1870 - Isaac Wilson milled flax on the south bank of Ohoka stream
1872 - He built a flourmill there
1876 - To serve his mill he had a private railway siding from the Kaiapoi-Eyreton line
Erected by The Eyre County Council and his youngest son, Alan.
Unveiled by John E Horrell, J.P, Q.S.M, 12th March 1987