The unit of placer locations in the state is 20 acres, and no single or individual placer mining claim may be located in excess of 20 acres nor have a greater length than 1,320 feet. Where a parcel of placer ground lies between and adjoins two or more validly located claims, the restriction as to length does not apply.
AS 27.10.100
Limits on size of individual placer claims
Official source: Alaska State Legislature. Reproduced from public-domain Alaska statutes; confirm against the official source for the current text. Not legal advice.