Houdek soil (fine-loamy, mixed, mesic typic argiustolls) is hereby designated as the official state soil of the State of South Dakota.
S.D. Codified Laws § 1-6-16.4
State soil
Source: SL 1990, ch 8.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.