It having been judicially determined that the name "Black Hills gold" can only be utilized for jewelry manufactured in the Black Hills of South Dakota, Black Hills gold is hereby designated as the official jewelry of the State of South Dakota.
S.D. Codified Laws § 1-6-16.2
State jewelry
Source: SL 1988, ch 7.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.