Minn. Stat. § 92.14
Subd. 1. Time.
The commissioner shall give four weeks' published notice of the sale at St. Paul, in each county containing land to be sold, and in the county where the sale will be held. If there is no newspaper published in the county, four weeks' posted notice in the county courthouse must be given. On or before the day of sale, the commissioner may withdraw any lands.
Subd. 2. Contents.
The notice must contain the following information:
Subd. 3. Additional advertising of land sales.
In addition to notice of land sales required by subdivision 1, the commissioner shall publicize land sales in Minnesota and elsewhere to the greatest extent possible, consistent with appropriations available for that purpose.