South Dakota Codified Laws
Chapter 33 - Fixtures To Land
Section 43-33-1 - Thing affixed to land, definition.

43-33-1. Thing affixed to land, definition.
A thing is deemed to be affixed to land when it is attached to it by roots, as in the case of trees, vines, or shrubs; or imbedded in it, as in the case of walls; or permanently resting upon it, as in the case of buildings; or permanently attached to what is thus permanent, as by means of cement, plaster, nails, bolts, or screws.

Source: CivC 1877, §165; CL 1887, §2681; RCivC 1903, §188; RC 1919, §258; SDC 1939, §51.0104.