Where such owners do not agree upon a different sort of fence, a legal partition fence shall consist of sound wood posts at least six and one–half feet long and four inches in diameter, and firmly set at least two feet in the earth and not over thirty feet apart, or concrete posts six feet or more in length, having a diameter of not less than four inches and having a reinforcing rod not less than one–fourth inch in diameter throughout the full length thereof, firmly set and spaced as in the case of wood posts, or of steel posts not less than five and one–half feet in length, firmly set at least seventeen inches in the earth and not over twenty feet apart, or a combination of steel and concrete or wood posts in a ratio of not more than three steel posts to one of wood or concrete as above specified, firmly set as aforesaid according to the type of post and not over twenty–five feet apart. Such posts shall be firmly braced at ends, corners, and gateways or openings, to prevent sagging, and upon them shall be firmly stretched and securely attached to each at least four strands of ordinary commercial barbed fencing wire, the lower strand to be eighteen inches, the next twenty–eight inches, the third thirty–eight inches, and the fourth forty–eight inches from the earth. A deviation of not more than two inches in the wire spacing shall be considered to be in compliance with this section.

Source: SL 1909, ch 197, § 3; RC 1919, § 10533; SDC 1939, § 19.0103 (2); SL 1949, ch 79; SL 1973, ch 274.